18121864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 18075416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 227, 454, 587, 908, 1174, 1816, 2348, 3859, 4696, 7718, 9979, 15436, 19958, 30872, 39916, 79832, 133249, 266498, 532996, 1065992, 2265233, 4530466, 9060932, 18121864]

約数ペア:

[(1, 18121864), (2, 9060932), (4, 4530466), (8, 2265233), (17, 1065992), (34, 532996), (68, 266498), (136, 133249), (227, 79832), (454, 39916), (587, 30872), (908, 19958), (1174, 15436), (1816, 9979), (2348, 7718), (3859, 4696)]