19945710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2430

約数の個数: 64

約数和(自身を含む): 54927360

約数和(自身を除く): 34981650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2383, 2790, 4185, 4766, 7149, 8370, 11915, 14298, 21447, 23830, 35745, 42894, 64341, 71490, 73873, 107235, 128682, 147746, 214470, 221619, 321705, 369365, 443238, 643410, 664857, 738730, 1108095, 1329714, 1994571, 2216190, 3324285, 3989142, 6648570, 9972855, 19945710]

約数ペア:

[(1, 19945710), (2, 9972855), (3, 6648570), (5, 3989142), (6, 3324285), (9, 2216190), (10, 1994571), (15, 1329714), (18, 1108095), (27, 738730), (30, 664857), (31, 643410), (45, 443238), (54, 369365), (62, 321705), (90, 221619), (93, 214470), (135, 147746), (155, 128682), (186, 107235), (270, 73873), (279, 71490), (310, 64341), (465, 42894), (558, 35745), (837, 23830), (930, 21447), (1395, 14298), (1674, 11915), (2383, 8370), (2790, 7149), (4185, 4766)]