19057860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 39123900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 443, 478, 717, 886, 956, 1195, 1329, 1434, 1772, 2151, 2215, 2390, 2658, 2868, 3585, 3987, 4302, 4430, 4780, 5316, 6645, 7170, 7974, 8604, 8860, 10755, 13290, 14340, 15948, 19935, 21510, 26580, 39870, 43020, 79740, 105877, 211754, 317631, 423508, 529385, 635262, 952893, 1058770, 1270524, 1588155, 1905786, 2117540, 3176310, 3811572, 4764465, 6352620, 9528930, 19057860]

約数ペア:

[(1, 19057860), (2, 9528930), (3, 6352620), (4, 4764465), (5, 3811572), (6, 3176310), (9, 2117540), (10, 1905786), (12, 1588155), (15, 1270524), (18, 1058770), (20, 952893), (30, 635262), (36, 529385), (45, 423508), (60, 317631), (90, 211754), (180, 105877), (239, 79740), (443, 43020), (478, 39870), (717, 26580), (886, 21510), (956, 19935), (1195, 15948), (1329, 14340), (1434, 13290), (1772, 10755), (2151, 8860), (2215, 8604), (2390, 7974), (2658, 7170), (2868, 6645), (3585, 5316), (3987, 4780), (4302, 4430)]