19909903848

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12381781}}^1$

素因数の和:12381857

約数の個数: 32

約数和(自身を含む): 50517670560

約数和(自身を除く): 30607766712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12381781, 24763562, 37145343, 49527124, 74290686, 99054248, 148581372, 297162744, 829579327, 1659158654, 2488737981, 3318317308, 4977475962, 6636634616, 9954951924, 19909903848]

約数ペア:

[(1, 19909903848), (2, 9954951924), (3, 6636634616), (4, 4977475962), (6, 3318317308), (8, 2488737981), (12, 1659158654), (24, 829579327), (67, 297162744), (134, 148581372), (201, 99054248), (268, 74290686), (402, 49527124), (536, 37145343), (804, 24763562), (1608, 12381781)]