19774060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 46297440

約数和(自身を除く): 26523380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3061, 3230, 6122, 6460, 12244, 15305, 30610, 52037, 58159, 61220, 104074, 116318, 208148, 232636, 260185, 290795, 520370, 581590, 988703, 1040740, 1163180, 1977406, 3954812, 4943515, 9887030, 19774060]

約数ペア:

[(1, 19774060), (2, 9887030), (4, 4943515), (5, 3954812), (10, 1977406), (17, 1163180), (19, 1040740), (20, 988703), (34, 581590), (38, 520370), (68, 290795), (76, 260185), (85, 232636), (95, 208148), (170, 116318), (190, 104074), (323, 61220), (340, 58159), (380, 52037), (646, 30610), (1292, 15305), (1615, 12244), (3061, 6460), (3230, 6122)]