19983186

素因数分解:

$2^1\times 3^4\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:728

約数の個数: 40

約数和(自身を含む): 45036684

約数和(自身を除く): 25053498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 293, 421, 586, 842, 879, 1263, 1758, 2526, 2637, 3789, 5274, 7578, 7911, 11367, 15822, 22734, 23733, 34101, 47466, 68202, 123353, 246706, 370059, 740118, 1110177, 2220354, 3330531, 6661062, 9991593, 19983186]

約数ペア:

[(1, 19983186), (2, 9991593), (3, 6661062), (6, 3330531), (9, 2220354), (18, 1110177), (27, 740118), (54, 370059), (81, 246706), (162, 123353), (293, 68202), (421, 47466), (586, 34101), (842, 23733), (879, 22734), (1263, 15822), (1758, 11367), (2526, 7911), (2637, 7578), (3789, 5274)]