19218540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 60367104

約数和(自身を除く): 41148564

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 787, 814, 1110, 1221, 1574, 1628, 2035, 2220, 2361, 2442, 3148, 3935, 4070, 4722, 4884, 6105, 7870, 8140, 8657, 9444, 11805, 12210, 15740, 17314, 23610, 24420, 25971, 29119, 34628, 43285, 47220, 51942, 58238, 86570, 87357, 103884, 116476, 129855, 145595, 173140, 174714, 259710, 291190, 320309, 349428, 436785, 519420, 582380, 640618, 873570, 960927, 1281236, 1601545, 1747140, 1921854, 3203090, 3843708, 4804635, 6406180, 9609270, 19218540]

約数ペア:

[(1, 19218540), (2, 9609270), (3, 6406180), (4, 4804635), (5, 3843708), (6, 3203090), (10, 1921854), (11, 1747140), (12, 1601545), (15, 1281236), (20, 960927), (22, 873570), (30, 640618), (33, 582380), (37, 519420), (44, 436785), (55, 349428), (60, 320309), (66, 291190), (74, 259710), (110, 174714), (111, 173140), (132, 145595), (148, 129855), (165, 116476), (185, 103884), (220, 87357), (222, 86570), (330, 58238), (370, 51942), (407, 47220), (444, 43285), (555, 34628), (660, 29119), (740, 25971), (787, 24420), (814, 23610), (1110, 17314), (1221, 15740), (1574, 12210), (1628, 11805), (2035, 9444), (2220, 8657), (2361, 8140), (2442, 7870), (3148, 6105), (3935, 4884), (4070, 4722)]