18490380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8329}}^1$

素因数の和:8378

約数の個数: 48

約数和(自身を含む): 53178720

約数和(自身を除く): 34688340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8329, 16658, 24987, 33316, 41645, 49974, 83290, 99948, 124935, 166580, 249870, 308173, 499740, 616346, 924519, 1232692, 1540865, 1849038, 3081730, 3698076, 4622595, 6163460, 9245190, 18490380]

約数ペア:

[(1, 18490380), (2, 9245190), (3, 6163460), (4, 4622595), (5, 3698076), (6, 3081730), (10, 1849038), (12, 1540865), (15, 1232692), (20, 924519), (30, 616346), (37, 499740), (60, 308173), (74, 249870), (111, 166580), (148, 124935), (185, 99948), (222, 83290), (370, 49974), (444, 41645), (555, 33316), (740, 24987), (1110, 16658), (2220, 8329)]