18864848

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 38260200

約数和(自身を除く): 19395352

約数列:

[1, 2, 4, 8, 16, 29, 58, 109, 116, 218, 232, 373, 436, 464, 746, 872, 1492, 1744, 2984, 3161, 5968, 6322, 10817, 12644, 21634, 25288, 40657, 43268, 50576, 81314, 86536, 162628, 173072, 325256, 650512, 1179053, 2358106, 4716212, 9432424, 18864848]

約数ペア:

[(1, 18864848), (2, 9432424), (4, 4716212), (8, 2358106), (16, 1179053), (29, 650512), (58, 325256), (109, 173072), (116, 162628), (218, 86536), (232, 81314), (373, 50576), (436, 43268), (464, 40657), (746, 25288), (872, 21634), (1492, 12644), (1744, 10817), (2984, 6322), (3161, 5968)]