18118086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 25220154

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 89, 111, 131, 178, 222, 259, 262, 267, 393, 518, 534, 623, 777, 786, 917, 1246, 1554, 1834, 1869, 2751, 3293, 3738, 4847, 5502, 6586, 9694, 9879, 11659, 14541, 19758, 23051, 23318, 29082, 33929, 34977, 46102, 67858, 69153, 69954, 81613, 101787, 138306, 163226, 203574, 244839, 431383, 489678, 862766, 1294149, 2588298, 3019681, 6039362, 9059043, 18118086]

約数ペア:

[(1, 18118086), (2, 9059043), (3, 6039362), (6, 3019681), (7, 2588298), (14, 1294149), (21, 862766), (37, 489678), (42, 431383), (74, 244839), (89, 203574), (111, 163226), (131, 138306), (178, 101787), (222, 81613), (259, 69954), (262, 69153), (267, 67858), (393, 46102), (518, 34977), (534, 33929), (623, 29082), (777, 23318), (786, 23051), (917, 19758), (1246, 14541), (1554, 11659), (1834, 9879), (1869, 9694), (2751, 6586), (3293, 5502), (3738, 4847)]