18750017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 23761920

約数和(自身を除く): 5011903

約数列:

[1, 11, 13, 19, 67, 103, 143, 209, 247, 737, 871, 1133, 1273, 1339, 1957, 2717, 6901, 9581, 14003, 14729, 16549, 21527, 25441, 75911, 89713, 131119, 182039, 279851, 986843, 1442309, 1704547, 18750017]

約数ペア:

[(1, 18750017), (11, 1704547), (13, 1442309), (19, 986843), (67, 279851), (103, 182039), (143, 131119), (209, 89713), (247, 75911), (737, 25441), (871, 21527), (1133, 16549), (1273, 14729), (1339, 14003), (1957, 9581), (2717, 6901)]