19996512

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 55494936

約数和(自身を除く): 35498424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 577, 608, 722, 912, 1083, 1154, 1444, 1731, 1824, 2166, 2308, 2888, 3462, 4332, 4616, 5776, 6924, 8664, 9232, 10963, 11552, 13848, 17328, 18464, 21926, 27696, 32889, 34656, 43852, 55392, 65778, 87704, 131556, 175408, 208297, 263112, 350816, 416594, 526224, 624891, 833188, 1052448, 1249782, 1666376, 2499564, 3332752, 4999128, 6665504, 9998256, 19996512]

約数ペア:

[(1, 19996512), (2, 9998256), (3, 6665504), (4, 4999128), (6, 3332752), (8, 2499564), (12, 1666376), (16, 1249782), (19, 1052448), (24, 833188), (32, 624891), (38, 526224), (48, 416594), (57, 350816), (76, 263112), (96, 208297), (114, 175408), (152, 131556), (228, 87704), (304, 65778), (361, 55392), (456, 43852), (577, 34656), (608, 32889), (722, 27696), (912, 21926), (1083, 18464), (1154, 17328), (1444, 13848), (1731, 11552), (1824, 10963), (2166, 9232), (2308, 8664), (2888, 6924), (3462, 5776), (4332, 4616)]