19667970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31219}}^1$

素因数の和:31239

約数の個数: 48

約数和(自身を含む): 58443840

約数和(自身を除く): 38775870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31219, 62438, 93657, 156095, 187314, 218533, 280971, 312190, 437066, 468285, 561942, 655599, 936570, 1092665, 1311198, 1404855, 1966797, 2185330, 2809710, 3277995, 3933594, 6555990, 9833985, 19667970]

約数ペア:

[(1, 19667970), (2, 9833985), (3, 6555990), (5, 3933594), (6, 3277995), (7, 2809710), (9, 2185330), (10, 1966797), (14, 1404855), (15, 1311198), (18, 1092665), (21, 936570), (30, 655599), (35, 561942), (42, 468285), (45, 437066), (63, 312190), (70, 280971), (90, 218533), (105, 187314), (126, 156095), (210, 93657), (315, 62438), (630, 31219)]