1906555

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 2856960

約数和(自身を除く): 950405

約数列:

[1, 5, 7, 19, 35, 47, 61, 95, 133, 235, 305, 329, 427, 665, 893, 1159, 1645, 2135, 2867, 4465, 5795, 6251, 8113, 14335, 20069, 31255, 40565, 54473, 100345, 272365, 381311, 1906555]

約数ペア:

[(1, 1906555), (5, 381311), (7, 272365), (19, 100345), (35, 54473), (47, 40565), (61, 31255), (95, 20069), (133, 14335), (235, 8113), (305, 6251), (329, 5795), (427, 4465), (665, 2867), (893, 2135), (1159, 1645)]