18103545

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 14761287

約数列:

[1, 3, 5, 9, 15, 37, 45, 83, 111, 131, 185, 249, 333, 393, 415, 555, 655, 747, 1179, 1245, 1665, 1965, 3071, 3735, 4847, 5895, 9213, 10873, 14541, 15355, 24235, 27639, 32619, 43623, 46065, 54365, 72705, 97857, 138195, 163095, 218115, 402301, 489285, 1206903, 2011505, 3620709, 6034515, 18103545]

約数ペア:

[(1, 18103545), (3, 6034515), (5, 3620709), (9, 2011505), (15, 1206903), (37, 489285), (45, 402301), (83, 218115), (111, 163095), (131, 138195), (185, 97857), (249, 72705), (333, 54365), (393, 46065), (415, 43623), (555, 32619), (655, 27639), (747, 24235), (1179, 15355), (1245, 14541), (1665, 10873), (1965, 9213), (3071, 5895), (3735, 4847)]