19924872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1063}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 35232888

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, 1063, 1562, 1704, 2126, 2343, 3124, 3189, 4252, 4686, 6248, 6378, 8504, 9372, 11693, 12756, 18744, 23386, 25512, 35079, 46772, 70158, 75473, 93544, 140316, 150946, 226419, 280632, 301892, 452838, 603784, 830203, 905676, 1660406, 1811352, 2490609, 3320812, 4981218, 6641624, 9962436, 19924872]

約数ペア:

[(1, 19924872), (2, 9962436), (3, 6641624), (4, 4981218), (6, 3320812), (8, 2490609), (11, 1811352), (12, 1660406), (22, 905676), (24, 830203), (33, 603784), (44, 452838), (66, 301892), (71, 280632), (88, 226419), (132, 150946), (142, 140316), (213, 93544), (264, 75473), (284, 70158), (426, 46772), (568, 35079), (781, 25512), (852, 23386), (1063, 18744), (1562, 12756), (1704, 11693), (2126, 9372), (2343, 8504), (3124, 6378), (3189, 6248), (4252, 4686)]