19150020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11821}}^1$

素因数の和:11842

約数の個数: 60

約数和(自身を含む): 60079404

約数和(自身を除く): 40929384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11821, 23642, 35463, 47284, 59105, 70926, 106389, 118210, 141852, 177315, 212778, 236420, 319167, 354630, 425556, 531945, 638334, 709260, 957501, 1063890, 1276668, 1595835, 1915002, 2127780, 3191670, 3830004, 4787505, 6383340, 9575010, 19150020]

約数ペア:

[(1, 19150020), (2, 9575010), (3, 6383340), (4, 4787505), (5, 3830004), (6, 3191670), (9, 2127780), (10, 1915002), (12, 1595835), (15, 1276668), (18, 1063890), (20, 957501), (27, 709260), (30, 638334), (36, 531945), (45, 425556), (54, 354630), (60, 319167), (81, 236420), (90, 212778), (108, 177315), (135, 141852), (162, 118210), (180, 106389), (270, 70926), (324, 59105), (405, 47284), (540, 35463), (810, 23642), (1620, 11821)]