18966220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 51988608

約数和(自身を除く): 33022388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 613, 884, 910, 1105, 1190, 1226, 1547, 1820, 2210, 2380, 2452, 3065, 3094, 4291, 4420, 6130, 6188, 7735, 7969, 8582, 10421, 12260, 15470, 15938, 17164, 20842, 21455, 30940, 31876, 39845, 41684, 42910, 52105, 55783, 72947, 79690, 85820, 104210, 111566, 135473, 145894, 159380, 208420, 223132, 270946, 278915, 291788, 364735, 541892, 557830, 677365, 729470, 948311, 1115660, 1354730, 1458940, 1896622, 2709460, 3793244, 4741555, 9483110, 18966220]

約数ペア:

[(1, 18966220), (2, 9483110), (4, 4741555), (5, 3793244), (7, 2709460), (10, 1896622), (13, 1458940), (14, 1354730), (17, 1115660), (20, 948311), (26, 729470), (28, 677365), (34, 557830), (35, 541892), (52, 364735), (65, 291788), (68, 278915), (70, 270946), (85, 223132), (91, 208420), (119, 159380), (130, 145894), (140, 135473), (170, 111566), (182, 104210), (221, 85820), (238, 79690), (260, 72947), (340, 55783), (364, 52105), (442, 42910), (455, 41684), (476, 39845), (595, 31876), (613, 30940), (884, 21455), (910, 20842), (1105, 17164), (1190, 15938), (1226, 15470), (1547, 12260), (1820, 10421), (2210, 8582), (2380, 7969), (2452, 7735), (3065, 6188), (3094, 6130), (4291, 4420)]