17988660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 56848428

約数和(自身を除く): 38859768

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 73, 74, 90, 111, 146, 148, 180, 185, 219, 222, 292, 333, 365, 370, 438, 444, 555, 657, 666, 730, 740, 876, 1095, 1110, 1314, 1332, 1369, 1460, 1665, 2190, 2220, 2628, 2701, 2738, 3285, 3330, 4107, 4380, 5402, 5476, 6570, 6660, 6845, 8103, 8214, 10804, 12321, 13140, 13505, 13690, 16206, 16428, 20535, 24309, 24642, 27010, 27380, 32412, 40515, 41070, 48618, 49284, 54020, 61605, 81030, 82140, 97236, 99937, 121545, 123210, 162060, 199874, 243090, 246420, 299811, 399748, 486180, 499685, 599622, 899433, 999370, 1199244, 1499055, 1798866, 1998740, 2998110, 3597732, 4497165, 5996220, 8994330, 17988660]

約数ペア:

[(1, 17988660), (2, 8994330), (3, 5996220), (4, 4497165), (5, 3597732), (6, 2998110), (9, 1998740), (10, 1798866), (12, 1499055), (15, 1199244), (18, 999370), (20, 899433), (30, 599622), (36, 499685), (37, 486180), (45, 399748), (60, 299811), (73, 246420), (74, 243090), (90, 199874), (111, 162060), (146, 123210), (148, 121545), (180, 99937), (185, 97236), (219, 82140), (222, 81030), (292, 61605), (333, 54020), (365, 49284), (370, 48618), (438, 41070), (444, 40515), (555, 32412), (657, 27380), (666, 27010), (730, 24642), (740, 24309), (876, 20535), (1095, 16428), (1110, 16206), (1314, 13690), (1332, 13505), (1369, 13140), (1460, 12321), (1665, 10804), (2190, 8214), (2220, 8103), (2628, 6845), (2701, 6660), (2738, 6570), (3285, 5476), (3330, 5402), (4107, 4380)]