19001264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 39342720

約数和(自身を除く): 20341456

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1321, 1798, 2642, 3596, 5284, 7192, 10568, 14384, 21136, 38309, 40951, 76618, 81902, 153236, 163804, 306472, 327608, 612944, 655216, 1187579, 2375158, 4750316, 9500632, 19001264]

約数ペア:

[(1, 19001264), (2, 9500632), (4, 4750316), (8, 2375158), (16, 1187579), (29, 655216), (31, 612944), (58, 327608), (62, 306472), (116, 163804), (124, 153236), (232, 81902), (248, 76618), (464, 40951), (496, 38309), (899, 21136), (1321, 14384), (1798, 10568), (2642, 7192), (3596, 5284)]