18499360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 49859712

約数和(自身を除く): 31360352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 440, 457, 460, 506, 736, 880, 914, 920, 1012, 1265, 1760, 1828, 1840, 2024, 2285, 2530, 3656, 3680, 4048, 4570, 5027, 5060, 7312, 8096, 9140, 10054, 10120, 10511, 14624, 18280, 20108, 20240, 21022, 25135, 36560, 40216, 40480, 42044, 50270, 52555, 73120, 80432, 84088, 100540, 105110, 115621, 160864, 168176, 201080, 210220, 231242, 336352, 402160, 420440, 462484, 578105, 804320, 840880, 924968, 1156210, 1681760, 1849936, 2312420, 3699872, 4624840, 9249680, 18499360]

約数ペア:

[(1, 18499360), (2, 9249680), (4, 4624840), (5, 3699872), (8, 2312420), (10, 1849936), (11, 1681760), (16, 1156210), (20, 924968), (22, 840880), (23, 804320), (32, 578105), (40, 462484), (44, 420440), (46, 402160), (55, 336352), (80, 231242), (88, 210220), (92, 201080), (110, 168176), (115, 160864), (160, 115621), (176, 105110), (184, 100540), (220, 84088), (230, 80432), (253, 73120), (352, 52555), (368, 50270), (440, 42044), (457, 40480), (460, 40216), (506, 36560), (736, 25135), (880, 21022), (914, 20240), (920, 20108), (1012, 18280), (1265, 14624), (1760, 10511), (1828, 10120), (1840, 10054), (2024, 9140), (2285, 8096), (2530, 7312), (3656, 5060), (3680, 5027), (4048, 4570)]