19050625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 27666144

約数和(自身を除く): 8615519

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 163, 187, 275, 425, 625, 815, 935, 1375, 1793, 2125, 2771, 4075, 4675, 6875, 8965, 10625, 13855, 20375, 23375, 30481, 44825, 69275, 101875, 116875, 152405, 224125, 346375, 762025, 1120625, 1731875, 3810125, 19050625]

約数ペア:

[(1, 19050625), (5, 3810125), (11, 1731875), (17, 1120625), (25, 762025), (55, 346375), (85, 224125), (125, 152405), (163, 116875), (187, 101875), (275, 69275), (425, 44825), (625, 30481), (815, 23375), (935, 20375), (1375, 13855), (1793, 10625), (2125, 8965), (2771, 6875), (4075, 4675)]