17961836780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{1489}}^1$

素因数の和:1899

約数の個数: 96

約数和(自身を含む): 39614641920

約数和(自身を除く): 21652805140

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 313, 410, 470, 626, 820, 940, 1252, 1489, 1565, 1927, 2978, 3130, 3854, 5956, 6260, 7445, 7708, 9635, 12833, 14711, 14890, 19270, 25666, 29422, 29780, 38540, 51332, 58844, 61049, 64165, 69983, 73555, 122098, 128330, 139966, 147110, 244196, 256660, 279932, 294220, 305245, 349915, 466057, 603151, 610490, 699830, 932114, 1206302, 1220980, 1399660, 1864228, 2330285, 2412604, 2869303, 3015755, 4660570, 5738606, 6031510, 9321140, 11477212, 12063020, 14346515, 19108337, 21904679, 28693030, 38216674, 43809358, 57386060, 76433348, 87618716, 95541685, 109523395, 191083370, 219046790, 382166740, 438093580, 898091839, 1796183678, 3592367356, 4490459195, 8980918390, 17961836780]

約数ペア:

[(1, 17961836780), (2, 8980918390), (4, 4490459195), (5, 3592367356), (10, 1796183678), (20, 898091839), (41, 438093580), (47, 382166740), (82, 219046790), (94, 191083370), (164, 109523395), (188, 95541685), (205, 87618716), (235, 76433348), (313, 57386060), (410, 43809358), (470, 38216674), (626, 28693030), (820, 21904679), (940, 19108337), (1252, 14346515), (1489, 12063020), (1565, 11477212), (1927, 9321140), (2978, 6031510), (3130, 5738606), (3854, 4660570), (5956, 3015755), (6260, 2869303), (7445, 2412604), (7708, 2330285), (9635, 1864228), (12833, 1399660), (14711, 1220980), (14890, 1206302), (19270, 932114), (25666, 699830), (29422, 610490), (29780, 603151), (38540, 466057), (51332, 349915), (58844, 305245), (61049, 294220), (64165, 279932), (69983, 256660), (73555, 244196), (122098, 147110), (128330, 139966)]