19836375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 35856288

約数和(自身を除く): 16019913

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 169, 195, 313, 325, 375, 507, 845, 939, 975, 1565, 1625, 2535, 4069, 4225, 4695, 4875, 7825, 12207, 12675, 20345, 21125, 23475, 39125, 52897, 61035, 63375, 101725, 117375, 158691, 264485, 305175, 508625, 793455, 1322425, 1525875, 3967275, 6612125, 19836375]

約数ペア:

[(1, 19836375), (3, 6612125), (5, 3967275), (13, 1525875), (15, 1322425), (25, 793455), (39, 508625), (65, 305175), (75, 264485), (125, 158691), (169, 117375), (195, 101725), (313, 63375), (325, 61035), (375, 52897), (507, 39125), (845, 23475), (939, 21125), (975, 20345), (1565, 12675), (1625, 12207), (2535, 7825), (4069, 4875), (4225, 4695)]