18347920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12071}}^1$

素因数の和:12103

約数の個数: 40

約数和(自身を含む): 44907840

約数和(自身を除く): 26559920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12071, 24142, 48284, 60355, 96568, 120710, 193136, 229349, 241420, 458698, 482840, 917396, 965680, 1146745, 1834792, 2293490, 3669584, 4586980, 9173960, 18347920]

約数ペア:

[(1, 18347920), (2, 9173960), (4, 4586980), (5, 3669584), (8, 2293490), (10, 1834792), (16, 1146745), (19, 965680), (20, 917396), (38, 482840), (40, 458698), (76, 241420), (80, 229349), (95, 193136), (152, 120710), (190, 96568), (304, 60355), (380, 48284), (760, 24142), (1520, 12071)]