18915990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{10687}}^1$

素因数の和:10756

約数の個数: 32

約数和(自身を含む): 46172160

約数和(自身を除く): 27256170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 10687, 21374, 32061, 53435, 64122, 106870, 160305, 320610, 630533, 1261066, 1891599, 3152665, 3783198, 6305330, 9457995, 18915990]

約数ペア:

[(1, 18915990), (2, 9457995), (3, 6305330), (5, 3783198), (6, 3152665), (10, 1891599), (15, 1261066), (30, 630533), (59, 320610), (118, 160305), (177, 106870), (295, 64122), (354, 53435), (590, 32061), (885, 21374), (1770, 10687)]