18540.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 9020592

約数和(自身を除く): 5083052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 313, 340, 370, 626, 629, 740, 1252, 1258, 1565, 2516, 3130, 3145, 5321, 6260, 6290, 10642, 11581, 12580, 21284, 23162, 26605, 46324, 53210, 57905, 106420, 115810, 196877, 231620, 393754, 787508, 984385, 1968770, 3937540]

約数ペア:

[(1, 3937540), (2, 1968770), (4, 984385), (5, 787508), (10, 393754), (17, 231620), (20, 196877), (34, 115810), (37, 106420), (68, 57905), (74, 53210), (85, 46324), (148, 26605), (170, 23162), (185, 21284), (313, 12580), (340, 11581), (370, 10642), (626, 6290), (629, 6260), (740, 5321), (1252, 3145), (1258, 3130), (1565, 2516)]