18909200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1212

約数の個数: 60

約数和(自身を含む): 46577748

約数和(自身を除く): 27668548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1153, 1640, 2050, 2306, 3280, 4100, 4612, 5765, 8200, 9224, 11530, 16400, 18448, 23060, 28825, 46120, 47273, 57650, 92240, 94546, 115300, 189092, 230600, 236365, 378184, 461200, 472730, 756368, 945460, 1181825, 1890920, 2363650, 3781840, 4727300, 9454600, 18909200]

約数ペア:

[(1, 18909200), (2, 9454600), (4, 4727300), (5, 3781840), (8, 2363650), (10, 1890920), (16, 1181825), (20, 945460), (25, 756368), (40, 472730), (41, 461200), (50, 378184), (80, 236365), (82, 230600), (100, 189092), (164, 115300), (200, 94546), (205, 92240), (328, 57650), (400, 47273), (410, 46120), (656, 28825), (820, 23060), (1025, 18448), (1153, 16400), (1640, 11530), (2050, 9224), (2306, 8200), (3280, 5765), (4100, 4612)]