18376661.000000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 293610240

約数和(自身を除く): 183691060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 43, 62, 70, 76, 86, 95, 124, 133, 140, 155, 172, 190, 215, 217, 266, 301, 310, 380, 430, 434, 532, 589, 602, 620, 665, 817, 860, 868, 961, 1085, 1178, 1204, 1330, 1333, 1505, 1634, 1922, 2170, 2356, 2660, 2666, 2945, 3010, 3268, 3844, 4085, 4123, 4340, 4805, 5332, 5719, 5890, 6020, 6665, 6727, 8170, 8246, 9331, 9610, 11438, 11780, 13330, 13454, 16340, 16492, 18259, 18662, 19220, 20615, 22876, 25327, 26660, 26908, 28595, 33635, 36518, 37324, 41230, 41323, 46655, 50654, 57190, 67270, 73036, 82460, 82646, 91295, 93310, 101308, 114380, 126635, 127813, 134540, 165292, 177289, 182590, 186620, 206615, 253270, 255626, 289261, 354578, 365180, 413230, 506540, 511252, 578522, 639065, 709156, 785137, 826460, 886445, 1157044, 1278130, 1446305, 1570274, 1772890, 2556260, 2892610, 3140548, 3545780, 3925685, 5495959, 5785220, 7851370, 10991918, 15702740, 21983836, 27479795, 54959590, 109919180]

約数ペア:

[(1, 109919180), (2, 54959590), (4, 27479795), (5, 21983836), (7, 15702740), (10, 10991918), (14, 7851370), (19, 5785220), (20, 5495959), (28, 3925685), (31, 3545780), (35, 3140548), (38, 2892610), (43, 2556260), (62, 1772890), (70, 1570274), (76, 1446305), (86, 1278130), (95, 1157044), (124, 886445), (133, 826460), (140, 785137), (155, 709156), (172, 639065), (190, 578522), (215, 511252), (217, 506540), (266, 413230), (301, 365180), (310, 354578), (380, 289261), (430, 255626), (434, 253270), (532, 206615), (589, 186620), (602, 182590), (620, 177289), (665, 165292), (817, 134540), (860, 127813), (868, 126635), (961, 114380), (1085, 101308), (1178, 93310), (1204, 91295), (1330, 82646), (1333, 82460), (1505, 73036), (1634, 67270), (1922, 57190), (2170, 50654), (2356, 46655), (2660, 41323), (2666, 41230), (2945, 37324), (3010, 36518), (3268, 33635), (3844, 28595), (4085, 26908), (4123, 26660), (4340, 25327), (4805, 22876), (5332, 20615), (5719, 19220), (5890, 18662), (6020, 18259), (6665, 16492), (6727, 16340), (8170, 13454), (8246, 13330), (9331, 11780), (9610, 11438)]