18595840

素因数分解:

$2^{14}\times 5^1\times {\mathrm{227}}^1$

素因数の和:260

約数の個数: 60

約数和(自身を含む): 44825256

約数和(自身を除く): 26229416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 320, 454, 512, 640, 908, 1024, 1135, 1280, 1816, 2048, 2270, 2560, 3632, 4096, 4540, 5120, 7264, 8192, 9080, 10240, 14528, 16384, 18160, 20480, 29056, 36320, 40960, 58112, 72640, 81920, 116224, 145280, 232448, 290560, 464896, 581120, 929792, 1162240, 1859584, 2324480, 3719168, 4648960, 9297920, 18595840]

約数ペア:

[(1, 18595840), (2, 9297920), (4, 4648960), (5, 3719168), (8, 2324480), (10, 1859584), (16, 1162240), (20, 929792), (32, 581120), (40, 464896), (64, 290560), (80, 232448), (128, 145280), (160, 116224), (227, 81920), (256, 72640), (320, 58112), (454, 40960), (512, 36320), (640, 29056), (908, 20480), (1024, 18160), (1135, 16384), (1280, 14528), (1816, 10240), (2048, 9080), (2270, 8192), (2560, 7264), (3632, 5120), (4096, 4540)]