19675875

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 33246720

約数和(自身を除く): 13570845

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 739, 1065, 1775, 2217, 3695, 5325, 8875, 11085, 18475, 26625, 52469, 55425, 92375, 157407, 262345, 277125, 787035, 1311725, 3935175, 6558625, 19675875]

約数ペア:

[(1, 19675875), (3, 6558625), (5, 3935175), (15, 1311725), (25, 787035), (71, 277125), (75, 262345), (125, 157407), (213, 92375), (355, 55425), (375, 52469), (739, 26625), (1065, 18475), (1775, 11085), (2217, 8875), (3695, 5325)]