19659290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 41996232

約数和(自身を除く): 22336942

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 757, 1514, 1855, 2597, 3710, 3785, 5194, 5299, 7570, 10598, 12985, 25970, 26495, 37093, 40121, 52990, 74186, 80242, 185465, 200605, 280847, 370930, 401210, 561694, 1404235, 1965929, 2808470, 3931858, 9829645, 19659290]

約数ペア:

[(1, 19659290), (2, 9829645), (5, 3931858), (7, 2808470), (10, 1965929), (14, 1404235), (35, 561694), (49, 401210), (53, 370930), (70, 280847), (98, 200605), (106, 185465), (245, 80242), (265, 74186), (371, 52990), (490, 40121), (530, 37093), (742, 26495), (757, 25970), (1514, 12985), (1855, 10598), (2597, 7570), (3710, 5299), (3785, 5194)]