18337660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27385220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 107, 110, 164, 190, 205, 209, 214, 220, 380, 410, 418, 428, 451, 535, 779, 820, 836, 902, 1045, 1070, 1177, 1558, 1804, 2033, 2090, 2140, 2255, 2354, 3116, 3895, 4066, 4180, 4387, 4510, 4708, 5885, 7790, 8132, 8569, 8774, 9020, 10165, 11770, 15580, 17138, 17548, 20330, 21935, 22363, 23540, 34276, 40660, 42845, 43870, 44726, 48257, 83353, 85690, 87740, 89452, 96514, 111815, 166706, 171380, 193028, 223630, 241285, 333412, 416765, 447260, 482570, 833530, 916883, 965140, 1667060, 1833766, 3667532, 4584415, 9168830, 18337660]

約数ペア:

[(1, 18337660), (2, 9168830), (4, 4584415), (5, 3667532), (10, 1833766), (11, 1667060), (19, 965140), (20, 916883), (22, 833530), (38, 482570), (41, 447260), (44, 416765), (55, 333412), (76, 241285), (82, 223630), (95, 193028), (107, 171380), (110, 166706), (164, 111815), (190, 96514), (205, 89452), (209, 87740), (214, 85690), (220, 83353), (380, 48257), (410, 44726), (418, 43870), (428, 42845), (451, 40660), (535, 34276), (779, 23540), (820, 22363), (836, 21935), (902, 20330), (1045, 17548), (1070, 17138), (1177, 15580), (1558, 11770), (1804, 10165), (2033, 9020), (2090, 8774), (2140, 8569), (2255, 8132), (2354, 7790), (3116, 5885), (3895, 4708), (4066, 4510), (4180, 4387)]