18209904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 50830080

約数和(自身を除く): 32620176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 41, 48, 57, 76, 82, 114, 123, 152, 164, 228, 246, 304, 328, 456, 487, 492, 656, 779, 912, 974, 984, 1461, 1558, 1948, 1968, 2337, 2922, 3116, 3896, 4674, 5844, 6232, 7792, 9253, 9348, 11688, 12464, 18506, 18696, 19967, 23376, 27759, 37012, 37392, 39934, 55518, 59901, 74024, 79868, 111036, 119802, 148048, 159736, 222072, 239604, 319472, 379373, 444144, 479208, 758746, 958416, 1138119, 1517492, 2276238, 3034984, 4552476, 6069968, 9104952, 18209904]

約数ペア:

[(1, 18209904), (2, 9104952), (3, 6069968), (4, 4552476), (6, 3034984), (8, 2276238), (12, 1517492), (16, 1138119), (19, 958416), (24, 758746), (38, 479208), (41, 444144), (48, 379373), (57, 319472), (76, 239604), (82, 222072), (114, 159736), (123, 148048), (152, 119802), (164, 111036), (228, 79868), (246, 74024), (304, 59901), (328, 55518), (456, 39934), (487, 37392), (492, 37012), (656, 27759), (779, 23376), (912, 19967), (974, 18696), (984, 18506), (1461, 12464), (1558, 11688), (1948, 9348), (1968, 9253), (2337, 7792), (2922, 6232), (3116, 5844), (3896, 4674)]