19469060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 44518656

約数和(自身を除く): 25049596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 727, 1030, 1339, 1454, 2060, 2678, 2908, 3635, 5356, 6695, 7270, 9451, 13390, 14540, 18902, 26780, 37804, 47255, 74881, 94510, 149762, 189020, 299524, 374405, 748810, 973453, 1497620, 1946906, 3893812, 4867265, 9734530, 19469060]

約数ペア:

[(1, 19469060), (2, 9734530), (4, 4867265), (5, 3893812), (10, 1946906), (13, 1497620), (20, 973453), (26, 748810), (52, 374405), (65, 299524), (103, 189020), (130, 149762), (206, 94510), (260, 74881), (412, 47255), (515, 37804), (727, 26780), (1030, 18902), (1339, 14540), (1454, 13390), (2060, 9451), (2678, 7270), (2908, 6695), (3635, 5356)]