18198200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4824

約数の個数: 48

約数和(自身を含む): 44547000

約数和(自身を除く): 26348800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 4789, 9578, 19156, 23945, 38312, 47890, 90991, 95780, 119725, 181982, 191560, 239450, 363964, 454955, 478900, 727928, 909910, 957800, 1819820, 2274775, 3639640, 4549550, 9099100, 18198200]

約数ペア:

[(1, 18198200), (2, 9099100), (4, 4549550), (5, 3639640), (8, 2274775), (10, 1819820), (19, 957800), (20, 909910), (25, 727928), (38, 478900), (40, 454955), (50, 363964), (76, 239450), (95, 191560), (100, 181982), (152, 119725), (190, 95780), (200, 90991), (380, 47890), (475, 38312), (760, 23945), (950, 19156), (1900, 9578), (3800, 4789)]