19619460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 71076096

約数和(自身を除く): 51456636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 677, 690, 805, 828, 966, 1035, 1260, 1354, 1380, 1449, 1610, 1932, 2031, 2070, 2415, 2708, 2898, 3220, 3385, 4062, 4140, 4739, 4830, 5796, 6093, 6770, 7245, 8124, 9478, 9660, 10155, 12186, 13540, 14217, 14490, 15571, 18956, 20310, 23695, 24372, 28434, 28980, 30465, 31142, 40620, 42651, 46713, 47390, 56868, 60930, 62284, 71085, 77855, 85302, 93426, 94780, 108997, 121860, 140139, 142170, 155710, 170604, 186852, 213255, 217994, 233565, 280278, 284340, 311420, 326991, 426510, 435988, 467130, 544985, 560556, 653982, 700695, 853020, 934260, 980973, 1089970, 1307964, 1401390, 1634955, 1961946, 2179940, 2802780, 3269910, 3923892, 4904865, 6539820, 9809730, 19619460]

約数ペア:

[(1, 19619460), (2, 9809730), (3, 6539820), (4, 4904865), (5, 3923892), (6, 3269910), (7, 2802780), (9, 2179940), (10, 1961946), (12, 1634955), (14, 1401390), (15, 1307964), (18, 1089970), (20, 980973), (21, 934260), (23, 853020), (28, 700695), (30, 653982), (35, 560556), (36, 544985), (42, 467130), (45, 435988), (46, 426510), (60, 326991), (63, 311420), (69, 284340), (70, 280278), (84, 233565), (90, 217994), (92, 213255), (105, 186852), (115, 170604), (126, 155710), (138, 142170), (140, 140139), (161, 121860), (180, 108997), (207, 94780), (210, 93426), (230, 85302), (252, 77855), (276, 71085), (315, 62284), (322, 60930), (345, 56868), (414, 47390), (420, 46713), (460, 42651), (483, 40620), (630, 31142), (644, 30465), (677, 28980), (690, 28434), (805, 24372), (828, 23695), (966, 20310), (1035, 18956), (1260, 15571), (1354, 14490), (1380, 14217), (1449, 13540), (1610, 12186), (1932, 10155), (2031, 9660), (2070, 9478), (2415, 8124), (2708, 7245), (2898, 6770), (3220, 6093), (3385, 5796), (4062, 4830), (4140, 4739)]