18958060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 47573568

約数和(自身を除く): 28615508

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 110, 137, 148, 170, 185, 187, 220, 274, 340, 370, 374, 407, 548, 629, 685, 740, 748, 814, 935, 1258, 1370, 1507, 1628, 1870, 2035, 2329, 2516, 2740, 3014, 3145, 3740, 4070, 4658, 5069, 6028, 6290, 6919, 7535, 8140, 9316, 10138, 11645, 12580, 13838, 15070, 20276, 23290, 25345, 25619, 27676, 30140, 34595, 46580, 50690, 51238, 55759, 69190, 86173, 101380, 102476, 111518, 128095, 138380, 172346, 223036, 256190, 278795, 344692, 430865, 512380, 557590, 861730, 947903, 1115180, 1723460, 1895806, 3791612, 4739515, 9479030, 18958060]

約数ペア:

[(1, 18958060), (2, 9479030), (4, 4739515), (5, 3791612), (10, 1895806), (11, 1723460), (17, 1115180), (20, 947903), (22, 861730), (34, 557590), (37, 512380), (44, 430865), (55, 344692), (68, 278795), (74, 256190), (85, 223036), (110, 172346), (137, 138380), (148, 128095), (170, 111518), (185, 102476), (187, 101380), (220, 86173), (274, 69190), (340, 55759), (370, 51238), (374, 50690), (407, 46580), (548, 34595), (629, 30140), (685, 27676), (740, 25619), (748, 25345), (814, 23290), (935, 20276), (1258, 15070), (1370, 13838), (1507, 12580), (1628, 11645), (1870, 10138), (2035, 9316), (2329, 8140), (2516, 7535), (2740, 6919), (3014, 6290), (3145, 6028), (3740, 5069), (4070, 4658)]