19720602

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 47017152

約数和(自身を除く): 27296550

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 137, 198, 274, 411, 727, 822, 1233, 1454, 1507, 2181, 2466, 3014, 4362, 4521, 6543, 7997, 9042, 13086, 13563, 15994, 23991, 27126, 47982, 71973, 99599, 143946, 199198, 298797, 597594, 896391, 1095589, 1792782, 2191178, 3286767, 6573534, 9860301, 19720602]

約数ペア:

[(1, 19720602), (2, 9860301), (3, 6573534), (6, 3286767), (9, 2191178), (11, 1792782), (18, 1095589), (22, 896391), (33, 597594), (66, 298797), (99, 199198), (137, 143946), (198, 99599), (274, 71973), (411, 47982), (727, 27126), (822, 23991), (1233, 15994), (1454, 13563), (1507, 13086), (2181, 9042), (2466, 7997), (3014, 6543), (4362, 4521)]