18857790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 96

約数和(自身を含む): 57620160

約数和(自身を除く): 38762370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 37, 42, 45, 63, 70, 74, 90, 105, 111, 126, 185, 210, 222, 259, 315, 333, 370, 518, 555, 630, 666, 777, 809, 1110, 1295, 1554, 1618, 1665, 2331, 2427, 2590, 3330, 3885, 4045, 4662, 4854, 5663, 7281, 7770, 8090, 11326, 11655, 12135, 14562, 16989, 23310, 24270, 28315, 29933, 33978, 36405, 50967, 56630, 59866, 72810, 84945, 89799, 101934, 149665, 169890, 179598, 209531, 254835, 269397, 299330, 419062, 448995, 509670, 538794, 628593, 897990, 1047655, 1257186, 1346985, 1885779, 2095310, 2693970, 3142965, 3771558, 6285930, 9428895, 18857790]

約数ペア:

[(1, 18857790), (2, 9428895), (3, 6285930), (5, 3771558), (6, 3142965), (7, 2693970), (9, 2095310), (10, 1885779), (14, 1346985), (15, 1257186), (18, 1047655), (21, 897990), (30, 628593), (35, 538794), (37, 509670), (42, 448995), (45, 419062), (63, 299330), (70, 269397), (74, 254835), (90, 209531), (105, 179598), (111, 169890), (126, 149665), (185, 101934), (210, 89799), (222, 84945), (259, 72810), (315, 59866), (333, 56630), (370, 50967), (518, 36405), (555, 33978), (630, 29933), (666, 28315), (777, 24270), (809, 23310), (1110, 16989), (1295, 14562), (1554, 12135), (1618, 11655), (1665, 11326), (2331, 8090), (2427, 7770), (2590, 7281), (3330, 5663), (3885, 4854), (4045, 4662)]