18465944

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 43047540

約数和(自身を除く): 24581596

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 163, 196, 238, 289, 326, 392, 476, 578, 652, 833, 952, 1141, 1156, 1304, 1666, 2023, 2282, 2312, 2771, 3332, 4046, 4564, 5542, 6664, 7987, 8092, 9128, 11084, 14161, 15974, 16184, 19397, 22168, 28322, 31948, 38794, 47107, 56644, 63896, 77588, 94214, 113288, 135779, 155176, 188428, 271558, 329749, 376856, 543116, 659498, 1086232, 1318996, 2308243, 2637992, 4616486, 9232972, 18465944]

約数ペア:

[(1, 18465944), (2, 9232972), (4, 4616486), (7, 2637992), (8, 2308243), (14, 1318996), (17, 1086232), (28, 659498), (34, 543116), (49, 376856), (56, 329749), (68, 271558), (98, 188428), (119, 155176), (136, 135779), (163, 113288), (196, 94214), (238, 77588), (289, 63896), (326, 56644), (392, 47107), (476, 38794), (578, 31948), (652, 28322), (833, 22168), (952, 19397), (1141, 16184), (1156, 15974), (1304, 14161), (1666, 11084), (2023, 9128), (2282, 8092), (2312, 7987), (2771, 6664), (3332, 5542), (4046, 4564)]