18400044

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 47796672

約数和(自身を除く): 29396628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 169, 172, 211, 258, 338, 422, 507, 516, 559, 633, 676, 844, 1014, 1118, 1266, 1677, 2028, 2236, 2532, 2743, 3354, 5486, 6708, 7267, 8229, 9073, 10972, 14534, 16458, 18146, 21801, 27219, 29068, 32916, 35659, 36292, 43602, 54438, 71318, 87204, 106977, 108876, 117949, 142636, 213954, 235898, 353847, 427908, 471796, 707694, 1415388, 1533337, 3066674, 4600011, 6133348, 9200022, 18400044]

約数ペア:

[(1, 18400044), (2, 9200022), (3, 6133348), (4, 4600011), (6, 3066674), (12, 1533337), (13, 1415388), (26, 707694), (39, 471796), (43, 427908), (52, 353847), (78, 235898), (86, 213954), (129, 142636), (156, 117949), (169, 108876), (172, 106977), (211, 87204), (258, 71318), (338, 54438), (422, 43602), (507, 36292), (516, 35659), (559, 32916), (633, 29068), (676, 27219), (844, 21801), (1014, 18146), (1118, 16458), (1266, 14534), (1677, 10972), (2028, 9073), (2236, 8229), (2532, 7267), (2743, 6708), (3354, 5486)]