18247670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21409930

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 89, 101, 145, 178, 202, 203, 290, 406, 445, 505, 623, 707, 890, 1010, 1015, 1246, 1414, 2030, 2581, 2929, 3115, 3535, 5162, 5858, 6230, 7070, 8989, 12905, 14645, 17978, 18067, 20503, 25810, 29290, 36134, 41006, 44945, 62923, 89890, 90335, 102515, 125846, 180670, 205030, 260681, 314615, 521362, 629230, 1303405, 1824767, 2606810, 3649534, 9123835, 18247670]

約数ペア:

[(1, 18247670), (2, 9123835), (5, 3649534), (7, 2606810), (10, 1824767), (14, 1303405), (29, 629230), (35, 521362), (58, 314615), (70, 260681), (89, 205030), (101, 180670), (145, 125846), (178, 102515), (202, 90335), (203, 89890), (290, 62923), (406, 44945), (445, 41006), (505, 36134), (623, 29290), (707, 25810), (890, 20503), (1010, 18067), (1015, 17978), (1246, 14645), (1414, 12905), (2030, 8989), (2581, 7070), (2929, 6230), (3115, 5858), (3535, 5162)]