2018378312

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 4073166000

約数和(自身を除く): 2054787688

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 289, 356, 577, 578, 712, 1154, 1156, 1513, 2308, 2312, 3026, 4616, 4913, 6052, 9809, 9826, 12104, 19618, 19652, 25721, 39236, 39304, 51353, 51442, 78472, 102706, 102884, 166753, 205412, 205768, 333506, 410824, 437257, 667012, 873001, 874514, 1334024, 1746002, 1749028, 2834801, 3492004, 3498056, 5669602, 6984008, 11339204, 14841017, 22678408, 29682034, 59364068, 118728136, 252297289, 504594578, 1009189156, 2018378312]

約数ペア:

[(1, 2018378312), (2, 1009189156), (4, 504594578), (8, 252297289), (17, 118728136), (34, 59364068), (68, 29682034), (89, 22678408), (136, 14841017), (178, 11339204), (289, 6984008), (356, 5669602), (577, 3498056), (578, 3492004), (712, 2834801), (1154, 1749028), (1156, 1746002), (1513, 1334024), (2308, 874514), (2312, 873001), (3026, 667012), (4616, 437257), (4913, 410824), (6052, 333506), (9809, 205768), (9826, 205412), (12104, 166753), (19618, 102884), (19652, 102706), (25721, 78472), (39236, 51442), (39304, 51353)]