19865340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 67092480

約数和(自身を除く): 47227140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 127, 132, 158, 165, 180, 198, 220, 237, 254, 316, 330, 381, 395, 396, 474, 495, 508, 635, 660, 711, 762, 790, 869, 948, 990, 1143, 1185, 1270, 1397, 1422, 1524, 1580, 1738, 1905, 1980, 2286, 2370, 2540, 2607, 2794, 2844, 3476, 3555, 3810, 4191, 4345, 4572, 4740, 5214, 5588, 5715, 6985, 7110, 7620, 7821, 8382, 8690, 10033, 10428, 11430, 12573, 13035, 13970, 14220, 15642, 16764, 17380, 20066, 20955, 22860, 25146, 26070, 27940, 30099, 31284, 39105, 40132, 41910, 50165, 50292, 52140, 60198, 62865, 78210, 83820, 90297, 100330, 110363, 120396, 125730, 150495, 156420, 180594, 200660, 220726, 251460, 300990, 331089, 361188, 441452, 451485, 551815, 601980, 662178, 902970, 993267, 1103630, 1324356, 1655445, 1805940, 1986534, 2207260, 3310890, 3973068, 4966335, 6621780, 9932670, 19865340]

約数ペア:

[(1, 19865340), (2, 9932670), (3, 6621780), (4, 4966335), (5, 3973068), (6, 3310890), (9, 2207260), (10, 1986534), (11, 1805940), (12, 1655445), (15, 1324356), (18, 1103630), (20, 993267), (22, 902970), (30, 662178), (33, 601980), (36, 551815), (44, 451485), (45, 441452), (55, 361188), (60, 331089), (66, 300990), (79, 251460), (90, 220726), (99, 200660), (110, 180594), (127, 156420), (132, 150495), (158, 125730), (165, 120396), (180, 110363), (198, 100330), (220, 90297), (237, 83820), (254, 78210), (316, 62865), (330, 60198), (381, 52140), (395, 50292), (396, 50165), (474, 41910), (495, 40132), (508, 39105), (635, 31284), (660, 30099), (711, 27940), (762, 26070), (790, 25146), (869, 22860), (948, 20955), (990, 20066), (1143, 17380), (1185, 16764), (1270, 15642), (1397, 14220), (1422, 13970), (1524, 13035), (1580, 12573), (1738, 11430), (1905, 10428), (1980, 10033), (2286, 8690), (2370, 8382), (2540, 7821), (2607, 7620), (2794, 7110), (2844, 6985), (3476, 5715), (3555, 5588), (3810, 5214), (4191, 4740), (4345, 4572)]