19977524084

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1\times {\mathrm{577}}^1$

素因数の和:1189

約数の個数: 96

約数和(自身を含む): 42508247040

約数和(自身を除く): 22530722956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 302, 431, 532, 577, 604, 862, 1057, 1154, 1724, 2114, 2308, 2869, 3017, 4039, 4228, 5738, 6034, 8078, 8189, 10963, 11476, 12068, 16156, 16378, 20083, 21926, 32756, 40166, 43852, 57323, 65081, 76741, 80332, 87127, 114646, 130162, 153482, 174254, 229292, 248687, 260324, 306964, 348508, 455567, 497374, 609889, 911134, 994748, 1219778, 1236539, 1655413, 1740809, 1822268, 2439556, 2473078, 3310826, 3481618, 4725053, 4946156, 6621652, 6963236, 8655773, 9450106, 11587891, 17311546, 18900212, 23175782, 33075371, 34623092, 37551737, 46351564, 66150742, 75103474, 132301484, 150206948, 262862159, 525724318, 713483003, 1051448636, 1426966006, 2853932012, 4994381021, 9988762042, 19977524084]

約数ペア:

[(1, 19977524084), (2, 9988762042), (4, 4994381021), (7, 2853932012), (14, 1426966006), (19, 1051448636), (28, 713483003), (38, 525724318), (76, 262862159), (133, 150206948), (151, 132301484), (266, 75103474), (302, 66150742), (431, 46351564), (532, 37551737), (577, 34623092), (604, 33075371), (862, 23175782), (1057, 18900212), (1154, 17311546), (1724, 11587891), (2114, 9450106), (2308, 8655773), (2869, 6963236), (3017, 6621652), (4039, 4946156), (4228, 4725053), (5738, 3481618), (6034, 3310826), (8078, 2473078), (8189, 2439556), (10963, 1822268), (11476, 1740809), (12068, 1655413), (16156, 1236539), (16378, 1219778), (20083, 994748), (21926, 911134), (32756, 609889), (40166, 497374), (43852, 455567), (57323, 348508), (65081, 306964), (76741, 260324), (80332, 248687), (87127, 229292), (114646, 174254), (130162, 153482)]