19645974864

素因数分解:

$2^4\times 3^2\times {\mathrm{136430381}}^1$

素因数の和:136430395

約数の個数: 30

約数和(自身を含む): 54981443946

約数和(自身を除く): 35335469082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136430381, 272860762, 409291143, 545721524, 818582286, 1091443048, 1227873429, 1637164572, 2182886096, 2455746858, 3274329144, 4911493716, 6548658288, 9822987432, 19645974864]

約数ペア:

[(1, 19645974864), (2, 9822987432), (3, 6548658288), (4, 4911493716), (6, 3274329144), (8, 2455746858), (9, 2182886096), (12, 1637164572), (16, 1227873429), (18, 1091443048), (24, 818582286), (36, 545721524), (48, 409291143), (72, 272860762), (144, 136430381)]