19286560

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 45927000

約数和(自身を除く): 26640440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 809, 1192, 1490, 1618, 2384, 2980, 3236, 4045, 4768, 5960, 6472, 8090, 11920, 12944, 16180, 23840, 25888, 32360, 64720, 120541, 129440, 241082, 482164, 602705, 964328, 1205410, 1928656, 2410820, 3857312, 4821640, 9643280, 19286560]

約数ペア:

[(1, 19286560), (2, 9643280), (4, 4821640), (5, 3857312), (8, 2410820), (10, 1928656), (16, 1205410), (20, 964328), (32, 602705), (40, 482164), (80, 241082), (149, 129440), (160, 120541), (298, 64720), (596, 32360), (745, 25888), (809, 23840), (1192, 16180), (1490, 12944), (1618, 11920), (2384, 8090), (2980, 6472), (3236, 5960), (4045, 4768)]