19104990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20543}}^1$

素因数の和:20584

約数の個数: 32

約数和(自身を含む): 47333376

約数和(自身を除く): 28228386

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 20543, 41086, 61629, 102715, 123258, 205430, 308145, 616290, 636833, 1273666, 1910499, 3184165, 3820998, 6368330, 9552495, 19104990]

約数ペア:

[(1, 19104990), (2, 9552495), (3, 6368330), (5, 3820998), (6, 3184165), (10, 1910499), (15, 1273666), (30, 636833), (31, 616290), (62, 308145), (93, 205430), (155, 123258), (186, 102715), (310, 61629), (465, 41086), (930, 20543)]