19459908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 54262208

約数和(自身を除く): 34802300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 967, 1118, 1548, 1677, 1934, 2236, 2901, 3354, 3868, 5031, 5802, 6708, 8703, 10062, 11604, 12571, 17406, 20124, 25142, 34812, 37713, 41581, 50284, 75426, 83162, 113139, 124743, 150852, 166324, 226278, 249486, 374229, 452556, 498972, 540553, 748458, 1081106, 1496916, 1621659, 2162212, 3243318, 4864977, 6486636, 9729954, 19459908]

約数ペア:

[(1, 19459908), (2, 9729954), (3, 6486636), (4, 4864977), (6, 3243318), (9, 2162212), (12, 1621659), (13, 1496916), (18, 1081106), (26, 748458), (36, 540553), (39, 498972), (43, 452556), (52, 374229), (78, 249486), (86, 226278), (117, 166324), (129, 150852), (156, 124743), (172, 113139), (234, 83162), (258, 75426), (387, 50284), (468, 41581), (516, 37713), (559, 34812), (774, 25142), (967, 20124), (1118, 17406), (1548, 12571), (1677, 11604), (1934, 10062), (2236, 8703), (2901, 6708), (3354, 5802), (3868, 5031)]