19379880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 70171920

約数和(自身を除く): 50792040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 101, 104, 117, 120, 123, 130, 156, 164, 180, 195, 202, 205, 234, 246, 260, 303, 312, 328, 360, 369, 390, 404, 410, 468, 492, 505, 520, 533, 585, 606, 615, 738, 780, 808, 820, 909, 936, 984, 1010, 1066, 1170, 1212, 1230, 1313, 1476, 1515, 1560, 1599, 1640, 1818, 1845, 2020, 2132, 2340, 2424, 2460, 2626, 2665, 2952, 3030, 3198, 3636, 3690, 3939, 4040, 4141, 4264, 4545, 4680, 4797, 4920, 5252, 5330, 6060, 6396, 6565, 7272, 7380, 7878, 7995, 8282, 9090, 9594, 10504, 10660, 11817, 12120, 12423, 12792, 13130, 14760, 15756, 15990, 16564, 18180, 19188, 19695, 20705, 21320, 23634, 23985, 24846, 26260, 31512, 31980, 33128, 36360, 37269, 38376, 39390, 41410, 47268, 47970, 49692, 52520, 53833, 59085, 62115, 63960, 74538, 78780, 82820, 94536, 95940, 99384, 107666, 118170, 124230, 149076, 157560, 161499, 165640, 186345, 191880, 215332, 236340, 248460, 269165, 298152, 322998, 372690, 430664, 472680, 484497, 496920, 538330, 645996, 745380, 807495, 968994, 1076660, 1291992, 1490760, 1614990, 1937988, 2153320, 2422485, 3229980, 3875976, 4844970, 6459960, 9689940, 19379880]

約数ペア:

[(1, 19379880), (2, 9689940), (3, 6459960), (4, 4844970), (5, 3875976), (6, 3229980), (8, 2422485), (9, 2153320), (10, 1937988), (12, 1614990), (13, 1490760), (15, 1291992), (18, 1076660), (20, 968994), (24, 807495), (26, 745380), (30, 645996), (36, 538330), (39, 496920), (40, 484497), (41, 472680), (45, 430664), (52, 372690), (60, 322998), (65, 298152), (72, 269165), (78, 248460), (82, 236340), (90, 215332), (101, 191880), (104, 186345), (117, 165640), (120, 161499), (123, 157560), (130, 149076), (156, 124230), (164, 118170), (180, 107666), (195, 99384), (202, 95940), (205, 94536), (234, 82820), (246, 78780), (260, 74538), (303, 63960), (312, 62115), (328, 59085), (360, 53833), (369, 52520), (390, 49692), (404, 47970), (410, 47268), (468, 41410), (492, 39390), (505, 38376), (520, 37269), (533, 36360), (585, 33128), (606, 31980), (615, 31512), (738, 26260), (780, 24846), (808, 23985), (820, 23634), (909, 21320), (936, 20705), (984, 19695), (1010, 19188), (1066, 18180), (1170, 16564), (1212, 15990), (1230, 15756), (1313, 14760), (1476, 13130), (1515, 12792), (1560, 12423), (1599, 12120), (1640, 11817), (1818, 10660), (1845, 10504), (2020, 9594), (2132, 9090), (2340, 8282), (2424, 7995), (2460, 7878), (2626, 7380), (2665, 7272), (2952, 6565), (3030, 6396), (3198, 6060), (3636, 5330), (3690, 5252), (3939, 4920), (4040, 4797), (4141, 4680), (4264, 4545)]