19361368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 23095592

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 233, 376, 442, 466, 611, 799, 884, 932, 1222, 1598, 1768, 1864, 2444, 3029, 3196, 3961, 4888, 6058, 6392, 7922, 10387, 10951, 12116, 15844, 20774, 21902, 24232, 31688, 41548, 43804, 51493, 83096, 87608, 102986, 142363, 186167, 205972, 284726, 372334, 411944, 569452, 744668, 1138904, 1489336, 2420171, 4840342, 9680684, 19361368]

約数ペア:

[(1, 19361368), (2, 9680684), (4, 4840342), (8, 2420171), (13, 1489336), (17, 1138904), (26, 744668), (34, 569452), (47, 411944), (52, 372334), (68, 284726), (94, 205972), (104, 186167), (136, 142363), (188, 102986), (221, 87608), (233, 83096), (376, 51493), (442, 43804), (466, 41548), (611, 31688), (799, 24232), (884, 21902), (932, 20774), (1222, 15844), (1598, 12116), (1768, 10951), (1864, 10387), (2444, 7922), (3029, 6392), (3196, 6058), (3961, 4888)]