18219105

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15926175

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 607, 667, 1035, 1305, 1821, 2001, 3035, 3335, 5463, 6003, 9105, 10005, 13961, 17603, 27315, 30015, 41883, 52809, 69805, 88015, 125649, 158427, 209415, 264045, 404869, 628245, 792135, 1214607, 2024345, 3643821, 6073035, 18219105]

約数ペア:

[(1, 18219105), (3, 6073035), (5, 3643821), (9, 2024345), (15, 1214607), (23, 792135), (29, 628245), (45, 404869), (69, 264045), (87, 209415), (115, 158427), (145, 125649), (207, 88015), (261, 69805), (345, 52809), (435, 41883), (607, 30015), (667, 27315), (1035, 17603), (1305, 13961), (1821, 10005), (2001, 9105), (3035, 6003), (3335, 5463)]