18983874

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4967}}^1$

素因数の和:4999

約数の個数: 48

約数和(自身を含む): 47573568

約数和(自身を除く): 28589694

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 4967, 9934, 14901, 29802, 34769, 64571, 69538, 104307, 129142, 193713, 208614, 243383, 387426, 451997, 486766, 730149, 903994, 1355991, 1460298, 2711982, 3163979, 6327958, 9491937, 18983874]

約数ペア:

[(1, 18983874), (2, 9491937), (3, 6327958), (6, 3163979), (7, 2711982), (13, 1460298), (14, 1355991), (21, 903994), (26, 730149), (39, 486766), (42, 451997), (49, 387426), (78, 243383), (91, 208614), (98, 193713), (147, 129142), (182, 104307), (273, 69538), (294, 64571), (546, 34769), (637, 29802), (1274, 14901), (1911, 9934), (3822, 4967)]