18669020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 41895840

約数和(自身を除く): 23226820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 673, 730, 1346, 1387, 1460, 2692, 2774, 3365, 5548, 6730, 6935, 12787, 13460, 13870, 25574, 27740, 49129, 51148, 63935, 98258, 127870, 196516, 245645, 255740, 491290, 933451, 982580, 1866902, 3733804, 4667255, 9334510, 18669020]

約数ペア:

[(1, 18669020), (2, 9334510), (4, 4667255), (5, 3733804), (10, 1866902), (19, 982580), (20, 933451), (38, 491290), (73, 255740), (76, 245645), (95, 196516), (146, 127870), (190, 98258), (292, 63935), (365, 51148), (380, 49129), (673, 27740), (730, 25574), (1346, 13870), (1387, 13460), (1460, 12787), (2692, 6935), (2774, 6730), (3365, 5548)]