18897290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 35887104

約数和(自身を除く): 16989814

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1297, 1457, 2594, 2914, 6485, 7285, 12970, 14570, 40207, 60959, 80414, 121918, 201035, 304795, 402070, 609590, 1889729, 3779458, 9448645, 18897290]

約数ペア:

[(1, 18897290), (2, 9448645), (5, 3779458), (10, 1889729), (31, 609590), (47, 402070), (62, 304795), (94, 201035), (155, 121918), (235, 80414), (310, 60959), (470, 40207), (1297, 14570), (1457, 12970), (2594, 7285), (2914, 6485)]