19812840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4027}}^1$

素因数の和:4082

約数の個数: 64

約数和(自身を含む): 60903360

約数和(自身を除く): 41090520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4027, 4920, 8054, 12081, 16108, 20135, 24162, 32216, 40270, 48324, 60405, 80540, 96648, 120810, 161080, 165107, 241620, 330214, 483240, 495321, 660428, 825535, 990642, 1320856, 1651070, 1981284, 2476605, 3302140, 3962568, 4953210, 6604280, 9906420, 19812840]

約数ペア:

[(1, 19812840), (2, 9906420), (3, 6604280), (4, 4953210), (5, 3962568), (6, 3302140), (8, 2476605), (10, 1981284), (12, 1651070), (15, 1320856), (20, 990642), (24, 825535), (30, 660428), (40, 495321), (41, 483240), (60, 330214), (82, 241620), (120, 165107), (123, 161080), (164, 120810), (205, 96648), (246, 80540), (328, 60405), (410, 48324), (492, 40270), (615, 32216), (820, 24162), (984, 20135), (1230, 16108), (1640, 12081), (2460, 8054), (4027, 4920)]