18611320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5144

約数の個数: 64

約数和(自身を含む): 51549120

約数和(自身を除く): 32937800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5113, 10226, 20452, 25565, 35791, 40904, 51130, 66469, 71582, 102260, 132938, 143164, 178955, 204520, 265876, 286328, 332345, 357910, 465283, 531752, 664690, 715820, 930566, 1329380, 1431640, 1861132, 2326415, 2658760, 3722264, 4652830, 9305660, 18611320]

約数ペア:

[(1, 18611320), (2, 9305660), (4, 4652830), (5, 3722264), (7, 2658760), (8, 2326415), (10, 1861132), (13, 1431640), (14, 1329380), (20, 930566), (26, 715820), (28, 664690), (35, 531752), (40, 465283), (52, 357910), (56, 332345), (65, 286328), (70, 265876), (91, 204520), (104, 178955), (130, 143164), (140, 132938), (182, 102260), (260, 71582), (280, 66469), (364, 51130), (455, 40904), (520, 35791), (728, 25565), (910, 20452), (1820, 10226), (3640, 5113)]