18460980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2046

約数の個数: 96

約数和(自身を含む): 60842880

約数和(自身を除く): 42381900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2011, 2295, 3060, 4022, 4590, 6033, 8044, 9180, 10055, 12066, 18099, 20110, 24132, 30165, 34187, 36198, 40220, 54297, 60330, 68374, 72396, 90495, 102561, 108594, 120660, 136748, 170935, 180990, 205122, 217188, 271485, 307683, 341870, 361980, 410244, 512805, 542970, 615366, 683740, 923049, 1025610, 1085940, 1230732, 1538415, 1846098, 2051220, 3076830, 3692196, 4615245, 6153660, 9230490, 18460980]

約数ペア:

[(1, 18460980), (2, 9230490), (3, 6153660), (4, 4615245), (5, 3692196), (6, 3076830), (9, 2051220), (10, 1846098), (12, 1538415), (15, 1230732), (17, 1085940), (18, 1025610), (20, 923049), (27, 683740), (30, 615366), (34, 542970), (36, 512805), (45, 410244), (51, 361980), (54, 341870), (60, 307683), (68, 271485), (85, 217188), (90, 205122), (102, 180990), (108, 170935), (135, 136748), (153, 120660), (170, 108594), (180, 102561), (204, 90495), (255, 72396), (270, 68374), (306, 60330), (340, 54297), (459, 40220), (510, 36198), (540, 34187), (612, 30165), (765, 24132), (918, 20110), (1020, 18099), (1530, 12066), (1836, 10055), (2011, 9180), (2295, 8044), (3060, 6033), (4022, 4590)]