18878636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2333}}^1$

素因数の和:2378

約数の個数: 36

約数和(自身を含む): 40126128

約数和(自身を除く): 21247492

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2333, 4046, 4666, 8092, 9332, 16331, 32662, 39661, 65324, 79322, 158644, 277627, 555254, 674237, 1110508, 1348474, 2696948, 4719659, 9439318, 18878636]

約数ペア:

[(1, 18878636), (2, 9439318), (4, 4719659), (7, 2696948), (14, 1348474), (17, 1110508), (28, 674237), (34, 555254), (68, 277627), (119, 158644), (238, 79322), (289, 65324), (476, 39661), (578, 32662), (1156, 16331), (2023, 9332), (2333, 8092), (4046, 4666)]