19699460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 25805692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 593, 604, 755, 1186, 1510, 1661, 2372, 2965, 3020, 3322, 5930, 6523, 6644, 8305, 11860, 13046, 16610, 26092, 32615, 33220, 65230, 89543, 130460, 179086, 358172, 447715, 895430, 984973, 1790860, 1969946, 3939892, 4924865, 9849730, 19699460]

約数ペア:

[(1, 19699460), (2, 9849730), (4, 4924865), (5, 3939892), (10, 1969946), (11, 1790860), (20, 984973), (22, 895430), (44, 447715), (55, 358172), (110, 179086), (151, 130460), (220, 89543), (302, 65230), (593, 33220), (604, 32615), (755, 26092), (1186, 16610), (1510, 13046), (1661, 11860), (2372, 8305), (2965, 6644), (3020, 6523), (3322, 5930)]