19187036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 20124964

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 389, 418, 649, 778, 836, 1121, 1298, 1556, 2242, 2596, 4279, 4484, 7391, 8558, 12331, 14782, 17116, 22951, 24662, 29564, 45902, 49324, 81301, 91804, 162602, 252461, 325204, 436069, 504922, 872138, 1009844, 1744276, 4796759, 9593518, 19187036]

約数ペア:

[(1, 19187036), (2, 9593518), (4, 4796759), (11, 1744276), (19, 1009844), (22, 872138), (38, 504922), (44, 436069), (59, 325204), (76, 252461), (118, 162602), (209, 91804), (236, 81301), (389, 49324), (418, 45902), (649, 29564), (778, 24662), (836, 22951), (1121, 17116), (1298, 14782), (1556, 12331), (2242, 8558), (2596, 7391), (4279, 4484)]