18636402616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{16603}}^1$

素因数の和:16916

約数の個数: 64

約数和(自身を含む): 38662081920

約数和(自身を除く): 20025679304

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 251, 344, 502, 559, 1004, 1118, 2008, 2236, 3263, 4472, 6526, 10793, 13052, 16603, 21586, 26104, 33206, 43172, 66412, 86344, 132824, 140309, 215839, 280618, 431678, 561236, 713929, 863356, 1122472, 1427858, 1726712, 2855716, 4167353, 5711432, 8334706, 9281077, 16669412, 18562154, 33338824, 37124308, 54175589, 74248616, 108351178, 179196179, 216702356, 358392358, 433404712, 716784716, 1433569432, 2329550327, 4659100654, 9318201308, 18636402616]

約数ペア:

[(1, 18636402616), (2, 9318201308), (4, 4659100654), (8, 2329550327), (13, 1433569432), (26, 716784716), (43, 433404712), (52, 358392358), (86, 216702356), (104, 179196179), (172, 108351178), (251, 74248616), (344, 54175589), (502, 37124308), (559, 33338824), (1004, 18562154), (1118, 16669412), (2008, 9281077), (2236, 8334706), (3263, 5711432), (4472, 4167353), (6526, 2855716), (10793, 1726712), (13052, 1427858), (16603, 1122472), (21586, 863356), (26104, 713929), (33206, 561236), (43172, 431678), (66412, 280618), (86344, 215839), (132824, 140309)]