19942845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7867}}^1$

素因数の和:7901

約数の個数: 24

約数和(自身を含む): 34556256

約数和(自身を除く): 14613411

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7867, 23601, 39335, 102271, 118005, 306813, 511355, 1329523, 1534065, 3988569, 6647615, 19942845]

約数ペア:

[(1, 19942845), (3, 6647615), (5, 3988569), (13, 1534065), (15, 1329523), (39, 511355), (65, 306813), (169, 118005), (195, 102271), (507, 39335), (845, 23601), (2535, 7867)]