18871740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1777}}^1$

素因数の和:1851

約数の個数: 72

約数和(自身を含む): 58247280

約数和(自身を除く): 39375540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 1777, 2124, 2655, 3540, 3554, 5310, 5331, 7108, 8885, 10620, 10662, 15993, 17770, 21324, 26655, 31986, 35540, 53310, 63972, 79965, 104843, 106620, 159930, 209686, 314529, 319860, 419372, 524215, 629058, 943587, 1048430, 1258116, 1572645, 1887174, 2096860, 3145290, 3774348, 4717935, 6290580, 9435870, 18871740]

約数ペア:

[(1, 18871740), (2, 9435870), (3, 6290580), (4, 4717935), (5, 3774348), (6, 3145290), (9, 2096860), (10, 1887174), (12, 1572645), (15, 1258116), (18, 1048430), (20, 943587), (30, 629058), (36, 524215), (45, 419372), (59, 319860), (60, 314529), (90, 209686), (118, 159930), (177, 106620), (180, 104843), (236, 79965), (295, 63972), (354, 53310), (531, 35540), (590, 31986), (708, 26655), (885, 21324), (1062, 17770), (1180, 15993), (1770, 10662), (1777, 10620), (2124, 8885), (2655, 7108), (3540, 5331), (3554, 5310)]