17893820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:104

約数の個数: 108

約数和(自身を含む): 47544840

約数和(自身を除く): 29651020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 868, 931, 961, 980, 1085, 1178, 1330, 1519, 1862, 1922, 2170, 2356, 2660, 2945, 3038, 3724, 3844, 4123, 4340, 4655, 4805, 5890, 6076, 6727, 7595, 8246, 9310, 9610, 11780, 13454, 15190, 16492, 18259, 18620, 19220, 20615, 26908, 28861, 30380, 33635, 36518, 41230, 47089, 57722, 67270, 73036, 82460, 91295, 94178, 115444, 127813, 134540, 144305, 182590, 188356, 235445, 255626, 288610, 365180, 470890, 511252, 577220, 639065, 894691, 941780, 1278130, 1789382, 2556260, 3578764, 4473455, 8946910, 17893820]

約数ペア:

[(1, 17893820), (2, 8946910), (4, 4473455), (5, 3578764), (7, 2556260), (10, 1789382), (14, 1278130), (19, 941780), (20, 894691), (28, 639065), (31, 577220), (35, 511252), (38, 470890), (49, 365180), (62, 288610), (70, 255626), (76, 235445), (95, 188356), (98, 182590), (124, 144305), (133, 134540), (140, 127813), (155, 115444), (190, 94178), (196, 91295), (217, 82460), (245, 73036), (266, 67270), (310, 57722), (380, 47089), (434, 41230), (490, 36518), (532, 33635), (589, 30380), (620, 28861), (665, 26908), (868, 20615), (931, 19220), (961, 18620), (980, 18259), (1085, 16492), (1178, 15190), (1330, 13454), (1519, 11780), (1862, 9610), (1922, 9310), (2170, 8246), (2356, 7595), (2660, 6727), (2945, 6076), (3038, 5890), (3724, 4805), (3844, 4655), (4123, 4340)]