18056820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1171}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 50799168

約数和(自身を除く): 32742348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1171, 1285, 1542, 2342, 2570, 3084, 3513, 3855, 4684, 5140, 5855, 7026, 7710, 11710, 14052, 15420, 17565, 23420, 35130, 70260, 300947, 601894, 902841, 1203788, 1504735, 1805682, 3009470, 3611364, 4514205, 6018940, 9028410, 18056820]

約数ペア:

[(1, 18056820), (2, 9028410), (3, 6018940), (4, 4514205), (5, 3611364), (6, 3009470), (10, 1805682), (12, 1504735), (15, 1203788), (20, 902841), (30, 601894), (60, 300947), (257, 70260), (514, 35130), (771, 23420), (1028, 17565), (1171, 15420), (1285, 14052), (1542, 11710), (2342, 7710), (2570, 7026), (3084, 5855), (3513, 5140), (3855, 4684)]