19653700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 49309344

約数和(自身を除く): 29655644

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1051, 1100, 1700, 1870, 2102, 3740, 4204, 4675, 5255, 9350, 10510, 11561, 17867, 18700, 21020, 23122, 26275, 35734, 46244, 52550, 57805, 71468, 89335, 105100, 115610, 178670, 196537, 231220, 289025, 357340, 393074, 446675, 578050, 786148, 893350, 982685, 1156100, 1786700, 1965370, 3930740, 4913425, 9826850, 19653700]

約数ペア:

[(1, 19653700), (2, 9826850), (4, 4913425), (5, 3930740), (10, 1965370), (11, 1786700), (17, 1156100), (20, 982685), (22, 893350), (25, 786148), (34, 578050), (44, 446675), (50, 393074), (55, 357340), (68, 289025), (85, 231220), (100, 196537), (110, 178670), (170, 115610), (187, 105100), (220, 89335), (275, 71468), (340, 57805), (374, 52550), (425, 46244), (550, 35734), (748, 26275), (850, 23122), (935, 21020), (1051, 18700), (1100, 17867), (1700, 11561), (1870, 10510), (2102, 9350), (3740, 5255), (4204, 4675)]