19031103

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 16611777

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1223, 1729, 2223, 3669, 5187, 8561, 11007, 15561, 15899, 23237, 25683, 47697, 69711, 77049, 111293, 143091, 162659, 209133, 302081, 333879, 487977, 906243, 1001637, 1463931, 2114567, 2718729, 6343701, 19031103]

約数ペア:

[(1, 19031103), (3, 6343701), (7, 2718729), (9, 2114567), (13, 1463931), (19, 1001637), (21, 906243), (39, 487977), (57, 333879), (63, 302081), (91, 209133), (117, 162659), (133, 143091), (171, 111293), (247, 77049), (273, 69711), (399, 47697), (741, 25683), (819, 23237), (1197, 15899), (1223, 15561), (1729, 11007), (2223, 8561), (3669, 5187)]