20180351884

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{52291}}^1$

素因数の和:52499

約数の個数: 72

約数和(自身を含む): 45067337280

約数和(自身を除く): 24886985396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 179, 196, 308, 358, 539, 716, 1078, 1253, 1969, 2156, 2506, 3938, 5012, 7876, 8771, 13783, 17542, 27566, 35084, 52291, 55132, 96481, 104582, 192962, 209164, 366037, 385924, 575201, 732074, 1150402, 1464148, 2300804, 2562259, 4026407, 5124518, 8052814, 9360089, 10249036, 16105628, 18720178, 28184849, 37440356, 56369698, 65520623, 102960979, 112739396, 131041246, 205921958, 262082492, 411843916, 458644361, 720726853, 917288722, 1441453706, 1834577444, 2882907412, 5045087971, 10090175942, 20180351884]

約数ペア:

[(1, 20180351884), (2, 10090175942), (4, 5045087971), (7, 2882907412), (11, 1834577444), (14, 1441453706), (22, 917288722), (28, 720726853), (44, 458644361), (49, 411843916), (77, 262082492), (98, 205921958), (154, 131041246), (179, 112739396), (196, 102960979), (308, 65520623), (358, 56369698), (539, 37440356), (716, 28184849), (1078, 18720178), (1253, 16105628), (1969, 10249036), (2156, 9360089), (2506, 8052814), (3938, 5124518), (5012, 4026407), (7876, 2562259), (8771, 2300804), (13783, 1464148), (17542, 1150402), (27566, 732074), (35084, 575201), (52291, 385924), (55132, 366037), (96481, 209164), (104582, 192962)]