18316760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 54259200

約数和(自身を除く): 35942440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 313, 380, 385, 418, 440, 532, 616, 626, 665, 760, 770, 836, 1045, 1064, 1252, 1330, 1463, 1540, 1565, 1672, 2090, 2191, 2504, 2660, 2926, 3080, 3130, 3443, 4180, 4382, 5320, 5852, 5947, 6260, 6886, 7315, 8360, 8764, 10955, 11704, 11894, 12520, 13772, 14630, 17215, 17528, 21910, 23788, 24101, 27544, 29260, 29735, 34430, 41629, 43820, 47576, 48202, 58520, 59470, 65417, 68860, 83258, 87640, 96404, 118940, 120505, 130834, 137720, 166516, 192808, 208145, 237880, 241010, 261668, 327085, 333032, 416290, 457919, 482020, 523336, 654170, 832580, 915838, 964040, 1308340, 1665160, 1831676, 2289595, 2616680, 3663352, 4579190, 9158380, 18316760]

約数ペア:

[(1, 18316760), (2, 9158380), (4, 4579190), (5, 3663352), (7, 2616680), (8, 2289595), (10, 1831676), (11, 1665160), (14, 1308340), (19, 964040), (20, 915838), (22, 832580), (28, 654170), (35, 523336), (38, 482020), (40, 457919), (44, 416290), (55, 333032), (56, 327085), (70, 261668), (76, 241010), (77, 237880), (88, 208145), (95, 192808), (110, 166516), (133, 137720), (140, 130834), (152, 120505), (154, 118940), (190, 96404), (209, 87640), (220, 83258), (266, 68860), (280, 65417), (308, 59470), (313, 58520), (380, 48202), (385, 47576), (418, 43820), (440, 41629), (532, 34430), (616, 29735), (626, 29260), (665, 27544), (760, 24101), (770, 23788), (836, 21910), (1045, 17528), (1064, 17215), (1252, 14630), (1330, 13772), (1463, 12520), (1540, 11894), (1565, 11704), (1672, 10955), (2090, 8764), (2191, 8360), (2504, 7315), (2660, 6886), (2926, 6260), (3080, 5947), (3130, 5852), (3443, 5320), (4180, 4382)]