18421020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 58910544

約数和(自身を除く): 40489524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 137, 162, 166, 180, 249, 270, 274, 324, 332, 405, 411, 415, 498, 540, 548, 685, 747, 810, 822, 830, 996, 1233, 1245, 1370, 1494, 1620, 1644, 1660, 2055, 2241, 2466, 2490, 2740, 2988, 3699, 3735, 4110, 4482, 4932, 4980, 6165, 6723, 7398, 7470, 8220, 8964, 11097, 11205, 11371, 12330, 13446, 14796, 14940, 18495, 22194, 22410, 22742, 24660, 26892, 33615, 34113, 36990, 44388, 44820, 45484, 55485, 56855, 67230, 68226, 73980, 102339, 110970, 113710, 134460, 136452, 170565, 204678, 221940, 227420, 307017, 341130, 409356, 511695, 614034, 682260, 921051, 1023390, 1228068, 1535085, 1842102, 2046780, 3070170, 3684204, 4605255, 6140340, 9210510, 18421020]

約数ペア:

[(1, 18421020), (2, 9210510), (3, 6140340), (4, 4605255), (5, 3684204), (6, 3070170), (9, 2046780), (10, 1842102), (12, 1535085), (15, 1228068), (18, 1023390), (20, 921051), (27, 682260), (30, 614034), (36, 511695), (45, 409356), (54, 341130), (60, 307017), (81, 227420), (83, 221940), (90, 204678), (108, 170565), (135, 136452), (137, 134460), (162, 113710), (166, 110970), (180, 102339), (249, 73980), (270, 68226), (274, 67230), (324, 56855), (332, 55485), (405, 45484), (411, 44820), (415, 44388), (498, 36990), (540, 34113), (548, 33615), (685, 26892), (747, 24660), (810, 22742), (822, 22410), (830, 22194), (996, 18495), (1233, 14940), (1245, 14796), (1370, 13446), (1494, 12330), (1620, 11371), (1644, 11205), (1660, 11097), (2055, 8964), (2241, 8220), (2466, 7470), (2490, 7398), (2740, 6723), (2988, 6165), (3699, 4980), (3735, 4932), (4110, 4482)]