18974170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 16700966

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 631, 970, 1262, 3007, 3155, 6014, 6310, 15035, 19561, 30070, 39122, 61207, 97805, 122414, 195610, 306035, 612070, 1897417, 3794834, 9487085, 18974170]

約数ペア:

[(1, 18974170), (2, 9487085), (5, 3794834), (10, 1897417), (31, 612070), (62, 306035), (97, 195610), (155, 122414), (194, 97805), (310, 61207), (485, 39122), (631, 30070), (970, 19561), (1262, 15035), (3007, 6310), (3155, 6014)]