18624872

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3229}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 40310400

約数和(自身を除く): 21685528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3229, 5768, 6458, 12916, 22603, 25832, 45206, 90412, 180824, 332587, 665174, 1330348, 2328109, 2660696, 4656218, 9312436, 18624872]

約数ペア:

[(1, 18624872), (2, 9312436), (4, 4656218), (7, 2660696), (8, 2328109), (14, 1330348), (28, 665174), (56, 332587), (103, 180824), (206, 90412), (412, 45206), (721, 25832), (824, 22603), (1442, 12916), (2884, 6458), (3229, 5768)]