18022191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 27525120

約数和(自身を除く): 9502929

約数列:

[1, 3, 11, 31, 33, 79, 93, 223, 237, 341, 669, 869, 1023, 2449, 2453, 2607, 6913, 7347, 7359, 17617, 20739, 26939, 52851, 76043, 80817, 193787, 228129, 546127, 581361, 1638381, 6007397, 18022191]

約数ペア:

[(1, 18022191), (3, 6007397), (11, 1638381), (31, 581361), (33, 546127), (79, 228129), (93, 193787), (223, 80817), (237, 76043), (341, 52851), (669, 26939), (869, 20739), (1023, 17617), (2449, 7359), (2453, 7347), (2607, 6913)]