1861904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 4017600

約数和(自身を除く): 2155696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 149, 176, 284, 298, 568, 596, 781, 1136, 1192, 1562, 1639, 2384, 3124, 3278, 6248, 6556, 10579, 12496, 13112, 21158, 26224, 42316, 84632, 116369, 169264, 232738, 465476, 930952, 1861904]

約数ペア:

[(1, 1861904), (2, 930952), (4, 465476), (8, 232738), (11, 169264), (16, 116369), (22, 84632), (44, 42316), (71, 26224), (88, 21158), (142, 13112), (149, 12496), (176, 10579), (284, 6556), (298, 6248), (568, 3278), (596, 3124), (781, 2384), (1136, 1639), (1192, 1562)]