18151908

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 43593984

約数和(自身を除く): 25442076

約数列:

[1, 2, 3, 4, 6, 12, 67, 107, 134, 201, 211, 214, 268, 321, 402, 422, 428, 633, 642, 804, 844, 1266, 1284, 2532, 7169, 14137, 14338, 21507, 22577, 28274, 28676, 42411, 43014, 45154, 56548, 67731, 84822, 86028, 90308, 135462, 169644, 270924, 1512659, 3025318, 4537977, 6050636, 9075954, 18151908]

約数ペア:

[(1, 18151908), (2, 9075954), (3, 6050636), (4, 4537977), (6, 3025318), (12, 1512659), (67, 270924), (107, 169644), (134, 135462), (201, 90308), (211, 86028), (214, 84822), (268, 67731), (321, 56548), (402, 45154), (422, 43014), (428, 42411), (633, 28676), (642, 28274), (804, 22577), (844, 21507), (1266, 14338), (1284, 14137), (2532, 7169)]