18980016

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 54163200

約数和(自身を除く): 35183184

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 103, 132, 176, 206, 264, 309, 349, 412, 528, 618, 698, 824, 1047, 1133, 1236, 1396, 1648, 2094, 2266, 2472, 2792, 3399, 3839, 4188, 4532, 4944, 5584, 6798, 7678, 8376, 9064, 11517, 13596, 15356, 16752, 18128, 23034, 27192, 30712, 35947, 46068, 54384, 61424, 71894, 92136, 107841, 143788, 184272, 215682, 287576, 395417, 431364, 575152, 790834, 862728, 1186251, 1581668, 1725456, 2372502, 3163336, 4745004, 6326672, 9490008, 18980016]

約数ペア:

[(1, 18980016), (2, 9490008), (3, 6326672), (4, 4745004), (6, 3163336), (8, 2372502), (11, 1725456), (12, 1581668), (16, 1186251), (22, 862728), (24, 790834), (33, 575152), (44, 431364), (48, 395417), (66, 287576), (88, 215682), (103, 184272), (132, 143788), (176, 107841), (206, 92136), (264, 71894), (309, 61424), (349, 54384), (412, 46068), (528, 35947), (618, 30712), (698, 27192), (824, 23034), (1047, 18128), (1133, 16752), (1236, 15356), (1396, 13596), (1648, 11517), (2094, 9064), (2266, 8376), (2472, 7678), (2792, 6798), (3399, 5584), (3839, 4944), (4188, 4532)]