19778922

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 45868680

約数和(自身を除く): 26089758

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 109, 153, 218, 306, 327, 593, 654, 981, 1186, 1779, 1853, 1962, 3558, 3706, 5337, 5559, 10081, 10674, 11118, 16677, 20162, 30243, 33354, 60486, 64637, 90729, 129274, 181458, 193911, 387822, 581733, 1098829, 1163466, 2197658, 3296487, 6592974, 9889461, 19778922]

約数ペア:

[(1, 19778922), (2, 9889461), (3, 6592974), (6, 3296487), (9, 2197658), (17, 1163466), (18, 1098829), (34, 581733), (51, 387822), (102, 193911), (109, 181458), (153, 129274), (218, 90729), (306, 64637), (327, 60486), (593, 33354), (654, 30243), (981, 20162), (1186, 16677), (1779, 11118), (1853, 10674), (1962, 10081), (3558, 5559), (3706, 5337)]