19493910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1297}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 51026976

約数和(自身を除く): 31533066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1297, 1503, 1670, 2505, 2594, 3006, 3891, 5010, 6485, 7515, 7782, 11673, 12970, 15030, 19455, 23346, 38910, 58365, 116730, 216599, 433198, 649797, 1082995, 1299594, 1949391, 2165990, 3248985, 3898782, 6497970, 9746955, 19493910]

約数ペア:

[(1, 19493910), (2, 9746955), (3, 6497970), (5, 3898782), (6, 3248985), (9, 2165990), (10, 1949391), (15, 1299594), (18, 1082995), (30, 649797), (45, 433198), (90, 216599), (167, 116730), (334, 58365), (501, 38910), (835, 23346), (1002, 19455), (1297, 15030), (1503, 12970), (1670, 11673), (2505, 7782), (2594, 7515), (3006, 6485), (3891, 5010)]