1918360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 4356000

約数和(自身を除く): 2437640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 241, 398, 482, 796, 964, 995, 1205, 1592, 1928, 1990, 2410, 3980, 4820, 7960, 9640, 47959, 95918, 191836, 239795, 383672, 479590, 959180, 1918360]

約数ペア:

[(1, 1918360), (2, 959180), (4, 479590), (5, 383672), (8, 239795), (10, 191836), (20, 95918), (40, 47959), (199, 9640), (241, 7960), (398, 4820), (482, 3980), (796, 2410), (964, 1990), (995, 1928), (1205, 1592)]