19888139698

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{701}}^1$

素因数の和:1088

約数の個数: 96

約数和(自身を含む): 37268719488

約数和(自身を除く): 17380579790

約数列:

[1, 2, 7, 14, 23, 41, 46, 49, 82, 98, 161, 287, 307, 322, 574, 614, 701, 943, 1127, 1402, 1886, 2009, 2149, 2254, 4018, 4298, 4907, 6601, 7061, 9814, 12587, 13202, 14122, 15043, 16123, 25174, 28741, 30086, 32246, 34349, 46207, 49427, 57482, 68698, 88109, 92414, 98854, 112861, 176218, 201187, 215207, 225722, 289501, 345989, 402374, 430414, 579002, 616763, 661043, 691978, 790027, 1233526, 1322086, 1408309, 1506449, 1580054, 2026507, 2816618, 3012898, 4053014, 4627301, 4949761, 8823487, 9254602, 9899522, 10545143, 14185549, 17646974, 21090286, 28371098, 32391107, 34648327, 61764409, 64782214, 69296654, 123528818, 202940201, 242538289, 405880402, 432350863, 485076578, 864701726, 1420581407, 2841162814, 9944069849, 19888139698]

約数ペア:

[(1, 19888139698), (2, 9944069849), (7, 2841162814), (14, 1420581407), (23, 864701726), (41, 485076578), (46, 432350863), (49, 405880402), (82, 242538289), (98, 202940201), (161, 123528818), (287, 69296654), (307, 64782214), (322, 61764409), (574, 34648327), (614, 32391107), (701, 28371098), (943, 21090286), (1127, 17646974), (1402, 14185549), (1886, 10545143), (2009, 9899522), (2149, 9254602), (2254, 8823487), (4018, 4949761), (4298, 4627301), (4907, 4053014), (6601, 3012898), (7061, 2816618), (9814, 2026507), (12587, 1580054), (13202, 1506449), (14122, 1408309), (15043, 1322086), (16123, 1233526), (25174, 790027), (28741, 691978), (30086, 661043), (32246, 616763), (34349, 579002), (46207, 430414), (49427, 402374), (57482, 345989), (68698, 289501), (88109, 225722), (92414, 215207), (98854, 201187), (112861, 176218)]