18927664

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9973

約数の個数: 40

約数和(自身を含む): 44381088

約数和(自身を除く): 25453424

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 9941, 19882, 39764, 69587, 79528, 139174, 159056, 168997, 278348, 337994, 556696, 675988, 1113392, 1182979, 1351976, 2365958, 2703952, 4731916, 9463832, 18927664]

約数ペア:

[(1, 18927664), (2, 9463832), (4, 4731916), (7, 2703952), (8, 2365958), (14, 1351976), (16, 1182979), (17, 1113392), (28, 675988), (34, 556696), (56, 337994), (68, 278348), (112, 168997), (119, 159056), (136, 139174), (238, 79528), (272, 69587), (476, 39764), (952, 19882), (1904, 9941)]