18730740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 63891072

約数和(自身を除く): 45160332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 277, 294, 322, 345, 420, 460, 483, 490, 554, 588, 644, 690, 735, 805, 831, 966, 980, 1108, 1127, 1380, 1385, 1470, 1610, 1662, 1932, 1939, 2254, 2415, 2770, 2940, 3220, 3324, 3381, 3878, 4155, 4508, 4830, 5540, 5635, 5817, 6371, 6762, 7756, 8310, 9660, 9695, 11270, 11634, 12742, 13524, 13573, 16620, 16905, 19113, 19390, 22540, 23268, 25484, 27146, 29085, 31855, 33810, 38226, 38780, 40719, 44597, 54292, 58170, 63710, 67620, 67865, 76452, 81438, 89194, 95565, 116340, 127420, 133791, 135730, 162876, 178388, 191130, 203595, 222985, 267582, 271460, 312179, 382260, 407190, 445970, 535164, 624358, 668955, 814380, 891940, 936537, 1248716, 1337910, 1560895, 1873074, 2675820, 3121790, 3746148, 4682685, 6243580, 9365370, 18730740]

約数ペア:

[(1, 18730740), (2, 9365370), (3, 6243580), (4, 4682685), (5, 3746148), (6, 3121790), (7, 2675820), (10, 1873074), (12, 1560895), (14, 1337910), (15, 1248716), (20, 936537), (21, 891940), (23, 814380), (28, 668955), (30, 624358), (35, 535164), (42, 445970), (46, 407190), (49, 382260), (60, 312179), (69, 271460), (70, 267582), (84, 222985), (92, 203595), (98, 191130), (105, 178388), (115, 162876), (138, 135730), (140, 133791), (147, 127420), (161, 116340), (196, 95565), (210, 89194), (230, 81438), (245, 76452), (276, 67865), (277, 67620), (294, 63710), (322, 58170), (345, 54292), (420, 44597), (460, 40719), (483, 38780), (490, 38226), (554, 33810), (588, 31855), (644, 29085), (690, 27146), (735, 25484), (805, 23268), (831, 22540), (966, 19390), (980, 19113), (1108, 16905), (1127, 16620), (1380, 13573), (1385, 13524), (1470, 12742), (1610, 11634), (1662, 11270), (1932, 9695), (1939, 9660), (2254, 8310), (2415, 7756), (2770, 6762), (2940, 6371), (3220, 5817), (3324, 5635), (3381, 5540), (3878, 4830), (4155, 4508)]