17937540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 36837180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 439, 454, 681, 878, 908, 1135, 1317, 1362, 1756, 2043, 2195, 2270, 2634, 2724, 3405, 3951, 4086, 4390, 4540, 5268, 6585, 6810, 7902, 8172, 8780, 10215, 13170, 13620, 15804, 19755, 20430, 26340, 39510, 40860, 79020, 99653, 199306, 298959, 398612, 498265, 597918, 896877, 996530, 1195836, 1494795, 1793754, 1993060, 2989590, 3587508, 4484385, 5979180, 8968770, 17937540]

約数ペア:

[(1, 17937540), (2, 8968770), (3, 5979180), (4, 4484385), (5, 3587508), (6, 2989590), (9, 1993060), (10, 1793754), (12, 1494795), (15, 1195836), (18, 996530), (20, 896877), (30, 597918), (36, 498265), (45, 398612), (60, 298959), (90, 199306), (180, 99653), (227, 79020), (439, 40860), (454, 39510), (681, 26340), (878, 20430), (908, 19755), (1135, 15804), (1317, 13620), (1362, 13170), (1756, 10215), (2043, 8780), (2195, 8172), (2270, 7902), (2634, 6810), (2724, 6585), (3405, 5268), (3951, 4540), (4086, 4390)]