18319860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7829}}^1$

素因数の和:7857

約数の個数: 72

約数和(自身を含む): 59852520

約数和(自身を除く): 41532660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7829, 15658, 23487, 31316, 39145, 46974, 70461, 78290, 93948, 101777, 117435, 140922, 156580, 203554, 234870, 281844, 305331, 352305, 407108, 469740, 508885, 610662, 704610, 915993, 1017770, 1221324, 1409220, 1526655, 1831986, 2035540, 3053310, 3663972, 4579965, 6106620, 9159930, 18319860]

約数ペア:

[(1, 18319860), (2, 9159930), (3, 6106620), (4, 4579965), (5, 3663972), (6, 3053310), (9, 2035540), (10, 1831986), (12, 1526655), (13, 1409220), (15, 1221324), (18, 1017770), (20, 915993), (26, 704610), (30, 610662), (36, 508885), (39, 469740), (45, 407108), (52, 352305), (60, 305331), (65, 281844), (78, 234870), (90, 203554), (117, 156580), (130, 140922), (156, 117435), (180, 101777), (195, 93948), (234, 78290), (260, 70461), (390, 46974), (468, 39145), (585, 31316), (780, 23487), (1170, 15658), (2340, 7829)]