19841567228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{877}}^1$

素因数の和:1016

約数の個数: 144

約数和(自身を含む): 44676011520

約数和(自身を除く): 24834444292

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 43, 46, 76, 86, 92, 133, 161, 172, 266, 301, 322, 437, 532, 602, 644, 817, 874, 877, 989, 1204, 1634, 1748, 1754, 1849, 1978, 3059, 3268, 3508, 3698, 3956, 5719, 6118, 6139, 6923, 7396, 11438, 12236, 12278, 12943, 13846, 16663, 18791, 20171, 22876, 24556, 25886, 27692, 33326, 35131, 37582, 37711, 40342, 42527, 51772, 66652, 70262, 75164, 75422, 80684, 85054, 116641, 131537, 140524, 141197, 150844, 170108, 233282, 245917, 263074, 263977, 282394, 297689, 383249, 466564, 491834, 526148, 527954, 564788, 595378, 716509, 766498, 808013, 867353, 983668, 1055908, 1190756, 1433018, 1532996, 1616026, 1621573, 1734706, 2682743, 2866036, 3232052, 3243146, 3469412, 5015563, 5365486, 5656091, 6071471, 6486292, 10031126, 10730972, 11312182, 11351011, 12142942, 16479707, 20062252, 22624364, 22702022, 24285884, 30809887, 32959414, 37296179, 45404044, 61619774, 65918828, 74592358, 115357949, 123239548, 149184716, 215669209, 230715898, 261073253, 431338418, 461431796, 522146506, 708627401, 862676836, 1044293012, 1417254802, 2834509604, 4960391807, 9920783614, 19841567228]

約数ペア:

[(1, 19841567228), (2, 9920783614), (4, 4960391807), (7, 2834509604), (14, 1417254802), (19, 1044293012), (23, 862676836), (28, 708627401), (38, 522146506), (43, 461431796), (46, 431338418), (76, 261073253), (86, 230715898), (92, 215669209), (133, 149184716), (161, 123239548), (172, 115357949), (266, 74592358), (301, 65918828), (322, 61619774), (437, 45404044), (532, 37296179), (602, 32959414), (644, 30809887), (817, 24285884), (874, 22702022), (877, 22624364), (989, 20062252), (1204, 16479707), (1634, 12142942), (1748, 11351011), (1754, 11312182), (1849, 10730972), (1978, 10031126), (3059, 6486292), (3268, 6071471), (3508, 5656091), (3698, 5365486), (3956, 5015563), (5719, 3469412), (6118, 3243146), (6139, 3232052), (6923, 2866036), (7396, 2682743), (11438, 1734706), (12236, 1621573), (12278, 1616026), (12943, 1532996), (13846, 1433018), (16663, 1190756), (18791, 1055908), (20171, 983668), (22876, 867353), (24556, 808013), (25886, 766498), (27692, 716509), (33326, 595378), (35131, 564788), (37582, 527954), (37711, 526148), (40342, 491834), (42527, 466564), (51772, 383249), (66652, 297689), (70262, 282394), (75164, 263977), (75422, 263074), (80684, 245917), (85054, 233282), (116641, 170108), (131537, 150844), (140524, 141197)]