18673070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 17735890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 601, 1195, 1202, 2390, 3005, 3107, 6010, 6214, 7813, 15535, 15626, 31070, 39065, 78130, 143639, 287278, 718195, 1436390, 1867307, 3734614, 9336535, 18673070]

約数ペア:

[(1, 18673070), (2, 9336535), (5, 3734614), (10, 1867307), (13, 1436390), (26, 718195), (65, 287278), (130, 143639), (239, 78130), (478, 39065), (601, 31070), (1195, 15626), (1202, 15535), (2390, 7813), (3005, 6214), (3107, 6010)]