18918350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 40075560

約数和(自身を除く): 21157210

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 59, 106, 110, 118, 121, 242, 265, 275, 295, 530, 550, 583, 590, 605, 649, 1166, 1210, 1298, 1325, 1475, 2650, 2915, 2950, 3025, 3127, 3245, 5830, 6050, 6254, 6413, 6490, 7139, 12826, 14278, 14575, 15635, 16225, 29150, 31270, 32065, 32450, 34397, 35695, 64130, 68794, 71390, 78175, 156350, 160325, 171985, 178475, 320650, 343970, 356950, 378367, 756734, 859925, 1719850, 1891835, 3783670, 9459175, 18918350]

約数ペア:

[(1, 18918350), (2, 9459175), (5, 3783670), (10, 1891835), (11, 1719850), (22, 859925), (25, 756734), (50, 378367), (53, 356950), (55, 343970), (59, 320650), (106, 178475), (110, 171985), (118, 160325), (121, 156350), (242, 78175), (265, 71390), (275, 68794), (295, 64130), (530, 35695), (550, 34397), (583, 32450), (590, 32065), (605, 31270), (649, 29150), (1166, 16225), (1210, 15635), (1298, 14575), (1325, 14278), (1475, 12826), (2650, 7139), (2915, 6490), (2950, 6413), (3025, 6254), (3127, 6050), (3245, 5830)]