19715600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2184

約数の個数: 60

約数和(自身を含む): 49449216

約数和(自身を除く): 29733616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2143, 2300, 4286, 4600, 8572, 9200, 10715, 17144, 21430, 34288, 42860, 49289, 53575, 85720, 98578, 107150, 171440, 197156, 214300, 246445, 394312, 428600, 492890, 788624, 857200, 985780, 1232225, 1971560, 2464450, 3943120, 4928900, 9857800, 19715600]

約数ペア:

[(1, 19715600), (2, 9857800), (4, 4928900), (5, 3943120), (8, 2464450), (10, 1971560), (16, 1232225), (20, 985780), (23, 857200), (25, 788624), (40, 492890), (46, 428600), (50, 394312), (80, 246445), (92, 214300), (100, 197156), (115, 171440), (184, 107150), (200, 98578), (230, 85720), (368, 53575), (400, 49289), (460, 42860), (575, 34288), (920, 21430), (1150, 17144), (1840, 10715), (2143, 9200), (2300, 8572), (4286, 4600)]