19923525

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 36203908

約数和(自身を除く): 16280383

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 365, 657, 1095, 1213, 1825, 3285, 3639, 5475, 6065, 10917, 16425, 18195, 30325, 54585, 88549, 90975, 265647, 272925, 442745, 796941, 1328235, 2213725, 3984705, 6641175, 19923525]

約数ペア:

[(1, 19923525), (3, 6641175), (5, 3984705), (9, 2213725), (15, 1328235), (25, 796941), (45, 442745), (73, 272925), (75, 265647), (219, 90975), (225, 88549), (365, 54585), (657, 30325), (1095, 18195), (1213, 16425), (1825, 10917), (3285, 6065), (3639, 5475)]