19943910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31657}}^1$

素因数の和:31677

約数の個数: 48

約数和(自身を含む): 59263776

約数和(自身を除く): 39319866

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, 31657, 63314, 94971, 158285, 189942, 221599, 284913, 316570, 443198, 474855, 569826, 664797, 949710, 1107995, 1329594, 1424565, 1994391, 2215990, 2849130, 3323985, 3988782, 6647970, 9971955, 19943910]

約数ペア:

[(1, 19943910), (2, 9971955), (3, 6647970), (5, 3988782), (6, 3323985), (7, 2849130), (9, 2215990), (10, 1994391), (14, 1424565), (15, 1329594), (18, 1107995), (21, 949710), (30, 664797), (35, 569826), (42, 474855), (45, 443198), (63, 316570), (70, 284913), (90, 221599), (105, 189942), (126, 158285), (210, 94971), (315, 63314), (630, 31657)]