19662540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 59984064

約数和(自身を除く): 40321524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 85, 102, 111, 148, 170, 185, 204, 222, 255, 340, 370, 444, 510, 521, 555, 629, 740, 1020, 1042, 1110, 1258, 1563, 1887, 2084, 2220, 2516, 2605, 3126, 3145, 3774, 5210, 6252, 6290, 7548, 7815, 8857, 9435, 10420, 12580, 15630, 17714, 18870, 19277, 26571, 31260, 35428, 37740, 38554, 44285, 53142, 57831, 77108, 88570, 96385, 106284, 115662, 132855, 177140, 192770, 231324, 265710, 289155, 327709, 385540, 531420, 578310, 655418, 983127, 1156620, 1310836, 1638545, 1966254, 3277090, 3932508, 4915635, 6554180, 9831270, 19662540]

約数ペア:

[(1, 19662540), (2, 9831270), (3, 6554180), (4, 4915635), (5, 3932508), (6, 3277090), (10, 1966254), (12, 1638545), (15, 1310836), (17, 1156620), (20, 983127), (30, 655418), (34, 578310), (37, 531420), (51, 385540), (60, 327709), (68, 289155), (74, 265710), (85, 231324), (102, 192770), (111, 177140), (148, 132855), (170, 115662), (185, 106284), (204, 96385), (222, 88570), (255, 77108), (340, 57831), (370, 53142), (444, 44285), (510, 38554), (521, 37740), (555, 35428), (629, 31260), (740, 26571), (1020, 19277), (1042, 18870), (1110, 17714), (1258, 15630), (1563, 12580), (1887, 10420), (2084, 9435), (2220, 8857), (2516, 7815), (2605, 7548), (3126, 6290), (3145, 6252), (3774, 5210)]