19763170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 42217848

約数和(自身を除く): 22454678

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 761, 1522, 1855, 2597, 3710, 3805, 5194, 5327, 7610, 10654, 12985, 25970, 26635, 37289, 40333, 53270, 74578, 80666, 186445, 201665, 282331, 372890, 403330, 564662, 1411655, 1976317, 2823310, 3952634, 9881585, 19763170]

約数ペア:

[(1, 19763170), (2, 9881585), (5, 3952634), (7, 2823310), (10, 1976317), (14, 1411655), (35, 564662), (49, 403330), (53, 372890), (70, 282331), (98, 201665), (106, 186445), (245, 80666), (265, 74578), (371, 53270), (490, 40333), (530, 37289), (742, 26635), (761, 25970), (1522, 12985), (1855, 10654), (2597, 7610), (3710, 5327), (3805, 5194)]