19981751232

素因数分解:

$2^6\times 3^1\times {\mathrm{421}}^1\times {\mathrm{247201}}^1$

素因数の和:247637

約数の個数: 56

約数和(自身を含む): 52994175952

約数和(自身を除く): 33012424720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 421, 842, 1263, 1684, 2526, 3368, 5052, 6736, 10104, 13472, 20208, 26944, 40416, 80832, 247201, 494402, 741603, 988804, 1483206, 1977608, 2966412, 3955216, 5932824, 7910432, 11865648, 15820864, 23731296, 47462592, 104071621, 208143242, 312214863, 416286484, 624429726, 832572968, 1248859452, 1665145936, 2497718904, 3330291872, 4995437808, 6660583744, 9990875616, 19981751232]

約数ペア:

[(1, 19981751232), (2, 9990875616), (3, 6660583744), (4, 4995437808), (6, 3330291872), (8, 2497718904), (12, 1665145936), (16, 1248859452), (24, 832572968), (32, 624429726), (48, 416286484), (64, 312214863), (96, 208143242), (192, 104071621), (421, 47462592), (842, 23731296), (1263, 15820864), (1684, 11865648), (2526, 7910432), (3368, 5932824), (5052, 3955216), (6736, 2966412), (10104, 1977608), (13472, 1483206), (20208, 988804), (26944, 741603), (40416, 494402), (80832, 247201)]