19357138513

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 20627704832

約数和(自身を除く): 1270566319

約数列:

[1, 31, 73, 97, 163, 541, 2263, 3007, 5053, 7081, 11899, 15811, 16771, 39493, 52477, 88183, 219511, 368869, 490141, 1154203, 1224283, 1626787, 2733673, 3830821, 6437359, 8553751, 35780293, 118755451, 199558129, 265166281, 624423823, 19357138513]

約数ペア:

[(1, 19357138513), (31, 624423823), (73, 265166281), (97, 199558129), (163, 118755451), (541, 35780293), (2263, 8553751), (3007, 6437359), (5053, 3830821), (7081, 2733673), (11899, 1626787), (15811, 1224283), (16771, 1154203), (39493, 490141), (52477, 368869), (88183, 219511)]