19887384

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 55054080

約数和(自身を除く): 35166696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1061, 1562, 1704, 2122, 2343, 3124, 3183, 4244, 4686, 6248, 6366, 8488, 9372, 11671, 12732, 18744, 23342, 25464, 35013, 46684, 70026, 75331, 93368, 140052, 150662, 225993, 280104, 301324, 451986, 602648, 828641, 903972, 1657282, 1807944, 2485923, 3314564, 4971846, 6629128, 9943692, 19887384]

約数ペア:

[(1, 19887384), (2, 9943692), (3, 6629128), (4, 4971846), (6, 3314564), (8, 2485923), (11, 1807944), (12, 1657282), (22, 903972), (24, 828641), (33, 602648), (44, 451986), (66, 301324), (71, 280104), (88, 225993), (132, 150662), (142, 140052), (213, 93368), (264, 75331), (284, 70026), (426, 46684), (568, 35013), (781, 25464), (852, 23342), (1061, 18744), (1562, 12732), (1704, 11671), (2122, 9372), (2343, 8488), (3124, 6366), (3183, 6248), (4244, 4686)]