19179740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2969}}^1$

素因数の和:3014

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 25726660

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, 2969, 3230, 5938, 6460, 11876, 14845, 29690, 50473, 56411, 59380, 100946, 112822, 201892, 225644, 252365, 282055, 504730, 564110, 958987, 1009460, 1128220, 1917974, 3835948, 4794935, 9589870, 19179740]

約数ペア:

[(1, 19179740), (2, 9589870), (4, 4794935), (5, 3835948), (10, 1917974), (17, 1128220), (19, 1009460), (20, 958987), (34, 564110), (38, 504730), (68, 282055), (76, 252365), (85, 225644), (95, 201892), (170, 112822), (190, 100946), (323, 59380), (340, 56411), (380, 50473), (646, 29690), (1292, 14845), (1615, 11876), (2969, 6460), (3230, 5938)]