19831428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 53621568

約数和(自身を除く): 33790140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 557, 774, 828, 989, 1114, 1548, 1671, 1978, 2228, 2967, 3342, 3956, 5013, 5934, 6684, 8901, 10026, 11868, 12811, 17802, 20052, 23951, 25622, 35604, 38433, 47902, 51244, 71853, 76866, 95804, 115299, 143706, 153732, 215559, 230598, 287412, 431118, 461196, 550873, 862236, 1101746, 1652619, 2203492, 3305238, 4957857, 6610476, 9915714, 19831428]

約数ペア:

[(1, 19831428), (2, 9915714), (3, 6610476), (4, 4957857), (6, 3305238), (9, 2203492), (12, 1652619), (18, 1101746), (23, 862236), (36, 550873), (43, 461196), (46, 431118), (69, 287412), (86, 230598), (92, 215559), (129, 153732), (138, 143706), (172, 115299), (207, 95804), (258, 76866), (276, 71853), (387, 51244), (414, 47902), (516, 38433), (557, 35604), (774, 25622), (828, 23951), (989, 20052), (1114, 17802), (1548, 12811), (1671, 11868), (1978, 10026), (2228, 8901), (2967, 6684), (3342, 5934), (3956, 5013)]