19742238

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 46347840

約数和(自身を除く): 26605602

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 41, 54, 74, 82, 111, 123, 222, 241, 246, 333, 369, 482, 666, 723, 738, 999, 1107, 1446, 1517, 1998, 2169, 2214, 3034, 4338, 4551, 6507, 8917, 9102, 9881, 13014, 13653, 17834, 19762, 26751, 27306, 29643, 40959, 53502, 59286, 80253, 81918, 88929, 160506, 177858, 240759, 266787, 365597, 481518, 533574, 731194, 1096791, 2193582, 3290373, 6580746, 9871119, 19742238]

約数ペア:

[(1, 19742238), (2, 9871119), (3, 6580746), (6, 3290373), (9, 2193582), (18, 1096791), (27, 731194), (37, 533574), (41, 481518), (54, 365597), (74, 266787), (82, 240759), (111, 177858), (123, 160506), (222, 88929), (241, 81918), (246, 80253), (333, 59286), (369, 53502), (482, 40959), (666, 29643), (723, 27306), (738, 26751), (999, 19762), (1107, 17834), (1446, 13653), (1517, 13014), (1998, 9881), (2169, 9102), (2214, 8917), (3034, 6507), (4338, 4551)]