19186830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 57972096

約数和(自身を除く): 38785266

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 31, 39, 45, 46, 62, 65, 69, 78, 90, 93, 115, 117, 130, 138, 155, 186, 195, 207, 230, 234, 279, 299, 310, 345, 390, 403, 414, 465, 529, 558, 585, 598, 690, 713, 806, 897, 930, 1035, 1058, 1170, 1209, 1395, 1426, 1495, 1587, 1794, 2015, 2070, 2139, 2418, 2645, 2691, 2790, 2990, 3174, 3565, 3627, 4030, 4278, 4485, 4761, 5290, 5382, 6045, 6417, 6877, 7130, 7254, 7935, 8970, 9269, 9522, 10695, 12090, 12834, 13455, 13754, 15870, 16399, 18135, 18538, 20631, 21390, 23805, 26910, 27807, 32085, 32798, 34385, 36270, 41262, 46345, 47610, 49197, 55614, 61893, 64170, 68770, 81995, 83421, 92690, 98394, 103155, 123786, 139035, 147591, 163990, 166842, 206310, 213187, 245985, 278070, 295182, 309465, 417105, 426374, 491970, 618930, 639561, 737955, 834210, 1065935, 1279122, 1475910, 1918683, 2131870, 3197805, 3837366, 6395610, 9593415, 19186830]

約数ペア:

[(1, 19186830), (2, 9593415), (3, 6395610), (5, 3837366), (6, 3197805), (9, 2131870), (10, 1918683), (13, 1475910), (15, 1279122), (18, 1065935), (23, 834210), (26, 737955), (30, 639561), (31, 618930), (39, 491970), (45, 426374), (46, 417105), (62, 309465), (65, 295182), (69, 278070), (78, 245985), (90, 213187), (93, 206310), (115, 166842), (117, 163990), (130, 147591), (138, 139035), (155, 123786), (186, 103155), (195, 98394), (207, 92690), (230, 83421), (234, 81995), (279, 68770), (299, 64170), (310, 61893), (345, 55614), (390, 49197), (403, 47610), (414, 46345), (465, 41262), (529, 36270), (558, 34385), (585, 32798), (598, 32085), (690, 27807), (713, 26910), (806, 23805), (897, 21390), (930, 20631), (1035, 18538), (1058, 18135), (1170, 16399), (1209, 15870), (1395, 13754), (1426, 13455), (1495, 12834), (1587, 12090), (1794, 10695), (2015, 9522), (2070, 9269), (2139, 8970), (2418, 7935), (2645, 7254), (2691, 7130), (2790, 6877), (2990, 6417), (3174, 6045), (3565, 5382), (3627, 5290), (4030, 4761), (4278, 4485)]