18121456

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{3919}}^1$

素因数の和:3961

約数の個数: 30

約数和(自身を含む): 37306640

約数和(自身を除く): 19185184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 3919, 4624, 7838, 15676, 31352, 62704, 66623, 133246, 266492, 532984, 1065968, 1132591, 2265182, 4530364, 9060728, 18121456]

約数ペア:

[(1, 18121456), (2, 9060728), (4, 4530364), (8, 2265182), (16, 1132591), (17, 1065968), (34, 532984), (68, 266492), (136, 133246), (272, 66623), (289, 62704), (578, 31352), (1156, 15676), (2312, 7838), (3919, 4624)]