12019780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 27175680

約数和(自身を除く): 15155900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 673, 893, 940, 1346, 1786, 2692, 3365, 3572, 4465, 6730, 8930, 12787, 13460, 17860, 25574, 31631, 51148, 63262, 63935, 126524, 127870, 158155, 255740, 316310, 600989, 632620, 1201978, 2403956, 3004945, 6009890, 12019780]

約数ペア:

[(1, 12019780), (2, 6009890), (4, 3004945), (5, 2403956), (10, 1201978), (19, 632620), (20, 600989), (38, 316310), (47, 255740), (76, 158155), (94, 127870), (95, 126524), (188, 63935), (190, 63262), (235, 51148), (380, 31631), (470, 25574), (673, 17860), (893, 13460), (940, 12787), (1346, 8930), (1786, 6730), (2692, 4465), (3365, 3572)]