18817120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 51928128

約数和(自身を除く): 33111008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 317, 371, 424, 530, 560, 634, 742, 848, 1060, 1120, 1268, 1484, 1585, 1696, 1855, 2120, 2219, 2536, 2968, 3170, 3710, 4240, 4438, 5072, 5936, 6340, 7420, 8480, 8876, 10144, 11095, 11872, 12680, 14840, 16801, 17752, 22190, 25360, 29680, 33602, 35504, 44380, 50720, 59360, 67204, 71008, 84005, 88760, 117607, 134408, 168010, 177520, 235214, 268816, 336020, 355040, 470428, 537632, 588035, 672040, 940856, 1176070, 1344080, 1881712, 2352140, 2688160, 3763424, 4704280, 9408560, 18817120]

約数ペア:

[(1, 18817120), (2, 9408560), (4, 4704280), (5, 3763424), (7, 2688160), (8, 2352140), (10, 1881712), (14, 1344080), (16, 1176070), (20, 940856), (28, 672040), (32, 588035), (35, 537632), (40, 470428), (53, 355040), (56, 336020), (70, 268816), (80, 235214), (106, 177520), (112, 168010), (140, 134408), (160, 117607), (212, 88760), (224, 84005), (265, 71008), (280, 67204), (317, 59360), (371, 50720), (424, 44380), (530, 35504), (560, 33602), (634, 29680), (742, 25360), (848, 22190), (1060, 17752), (1120, 16801), (1268, 14840), (1484, 12680), (1585, 11872), (1696, 11095), (1855, 10144), (2120, 8876), (2219, 8480), (2536, 7420), (2968, 6340), (3170, 5936), (3710, 5072), (4240, 4438)]