18990510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8221}}^1$

素因数の和:8249

約数の個数: 64

約数和(自身を含む): 56830464

約数和(自身を除く): 37839954

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8221, 16442, 24663, 41105, 49326, 57547, 82210, 90431, 115094, 123315, 172641, 180862, 246630, 271293, 287735, 345282, 452155, 542586, 575470, 633017, 863205, 904310, 1266034, 1356465, 1726410, 1899051, 2712930, 3165085, 3798102, 6330170, 9495255, 18990510]

約数ペア:

[(1, 18990510), (2, 9495255), (3, 6330170), (5, 3798102), (6, 3165085), (7, 2712930), (10, 1899051), (11, 1726410), (14, 1356465), (15, 1266034), (21, 904310), (22, 863205), (30, 633017), (33, 575470), (35, 542586), (42, 452155), (55, 345282), (66, 287735), (70, 271293), (77, 246630), (105, 180862), (110, 172641), (154, 123315), (165, 115094), (210, 90431), (231, 82210), (330, 57547), (385, 49326), (462, 41105), (770, 24663), (1155, 16442), (2310, 8221)]