19230145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 27029376

約数和(自身を除く): 7799231

約数列:

[1, 5, 11, 17, 55, 85, 131, 157, 187, 655, 785, 935, 1441, 1727, 2227, 2669, 7205, 8635, 11135, 13345, 20567, 24497, 29359, 102835, 122485, 146795, 226237, 349639, 1131185, 1748195, 3846029, 19230145]

約数ペア:

[(1, 19230145), (5, 3846029), (11, 1748195), (17, 1131185), (55, 349639), (85, 226237), (131, 146795), (157, 122485), (187, 102835), (655, 29359), (785, 24497), (935, 20567), (1441, 13345), (1727, 11135), (2227, 8635), (2669, 7205)]