19816544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3003

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24999136

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 2963, 3344, 5926, 6688, 11852, 23704, 32593, 47408, 56297, 65186, 94816, 112594, 130372, 225188, 260744, 450376, 521488, 619267, 900752, 1042976, 1238534, 1801504, 2477068, 4954136, 9908272, 19816544]

約数ペア:

[(1, 19816544), (2, 9908272), (4, 4954136), (8, 2477068), (11, 1801504), (16, 1238534), (19, 1042976), (22, 900752), (32, 619267), (38, 521488), (44, 450376), (76, 260744), (88, 225188), (152, 130372), (176, 112594), (209, 94816), (304, 65186), (352, 56297), (418, 47408), (608, 32593), (836, 23704), (1672, 11852), (2963, 6688), (3344, 5926)]