1813309840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1192967}}^1$

素因数の和:1192999

約数の個数: 40

約数和(自身を含む): 4437840960

約数和(自身を除く): 2624531120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1192967, 2385934, 4771868, 5964835, 9543736, 11929670, 19087472, 22666373, 23859340, 45332746, 47718680, 90665492, 95437360, 113331865, 181330984, 226663730, 362661968, 453327460, 906654920, 1813309840]

約数ペア:

[(1, 1813309840), (2, 906654920), (4, 453327460), (5, 362661968), (8, 226663730), (10, 181330984), (16, 113331865), (19, 95437360), (20, 90665492), (38, 47718680), (40, 45332746), (76, 23859340), (80, 22666373), (95, 19087472), (152, 11929670), (190, 9543736), (304, 5964835), (380, 4771868), (760, 2385934), (1520, 1192967)]