18240468

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 25627692

約数列:

[1, 2, 3, 4, 6, 12, 71, 79, 142, 158, 213, 237, 271, 284, 316, 426, 474, 542, 813, 852, 948, 1084, 1626, 3252, 5609, 11218, 16827, 19241, 21409, 22436, 33654, 38482, 42818, 57723, 64227, 67308, 76964, 85636, 115446, 128454, 230892, 256908, 1520039, 3040078, 4560117, 6080156, 9120234, 18240468]

約数ペア:

[(1, 18240468), (2, 9120234), (3, 6080156), (4, 4560117), (6, 3040078), (12, 1520039), (71, 256908), (79, 230892), (142, 128454), (158, 115446), (213, 85636), (237, 76964), (271, 67308), (284, 64227), (316, 57723), (426, 42818), (474, 38482), (542, 33654), (813, 22436), (852, 21409), (948, 19241), (1084, 16827), (1626, 11218), (3252, 5609)]