18849428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 37225104

約数和(自身を除く): 18375676

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 97, 101, 148, 194, 202, 388, 404, 481, 962, 1261, 1313, 1924, 2522, 2626, 3589, 3737, 5044, 5252, 7178, 7474, 9797, 14356, 14948, 19594, 39188, 46657, 48581, 93314, 97162, 127361, 186628, 194324, 254722, 362489, 509444, 724978, 1449956, 4712357, 9424714, 18849428]

約数ペア:

[(1, 18849428), (2, 9424714), (4, 4712357), (13, 1449956), (26, 724978), (37, 509444), (52, 362489), (74, 254722), (97, 194324), (101, 186628), (148, 127361), (194, 97162), (202, 93314), (388, 48581), (404, 46657), (481, 39188), (962, 19594), (1261, 14948), (1313, 14356), (1924, 9797), (2522, 7474), (2626, 7178), (3589, 5252), (3737, 5044)]