19972746

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4219}}^1$

素因数の和:4490

約数の個数: 24

約数和(自身を含む): 43449120

約数和(自身を除く): 23476374

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4219, 4734, 8438, 12657, 25314, 37971, 75942, 1109597, 2219194, 3328791, 6657582, 9986373, 19972746]

約数ペア:

[(1, 19972746), (2, 9986373), (3, 6657582), (6, 3328791), (9, 2219194), (18, 1109597), (263, 75942), (526, 37971), (789, 25314), (1578, 12657), (2367, 8438), (4219, 4734)]