18223520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 32071648

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, 307, 371, 424, 530, 560, 614, 742, 848, 1060, 1120, 1228, 1484, 1535, 1696, 1855, 2120, 2149, 2456, 2968, 3070, 3710, 4240, 4298, 4912, 5936, 6140, 7420, 8480, 8596, 9824, 10745, 11872, 12280, 14840, 16271, 17192, 21490, 24560, 29680, 32542, 34384, 42980, 49120, 59360, 65084, 68768, 81355, 85960, 113897, 130168, 162710, 171920, 227794, 260336, 325420, 343840, 455588, 520672, 569485, 650840, 911176, 1138970, 1301680, 1822352, 2277940, 2603360, 3644704, 4555880, 9111760, 18223520]

約数ペア:

[(1, 18223520), (2, 9111760), (4, 4555880), (5, 3644704), (7, 2603360), (8, 2277940), (10, 1822352), (14, 1301680), (16, 1138970), (20, 911176), (28, 650840), (32, 569485), (35, 520672), (40, 455588), (53, 343840), (56, 325420), (70, 260336), (80, 227794), (106, 171920), (112, 162710), (140, 130168), (160, 113897), (212, 85960), (224, 81355), (265, 68768), (280, 65084), (307, 59360), (371, 49120), (424, 42980), (530, 34384), (560, 32542), (614, 29680), (742, 24560), (848, 21490), (1060, 17192), (1120, 16271), (1228, 14840), (1484, 12280), (1535, 11872), (1696, 10745), (1855, 9824), (2120, 8596), (2149, 8480), (2456, 7420), (2968, 6140), (3070, 5936), (3710, 4912), (4240, 4298)]