19439790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20903}}^1$

素因数の和:20944

約数の個数: 32

約数和(自身を含む): 48162816

約数和(自身を除く): 28723026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 20903, 41806, 62709, 104515, 125418, 209030, 313545, 627090, 647993, 1295986, 1943979, 3239965, 3887958, 6479930, 9719895, 19439790]

約数ペア:

[(1, 19439790), (2, 9719895), (3, 6479930), (5, 3887958), (6, 3239965), (10, 1943979), (15, 1295986), (30, 647993), (31, 627090), (62, 313545), (93, 209030), (155, 125418), (186, 104515), (310, 62709), (465, 41806), (930, 20903)]