18069616

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 36386064

約数和(自身を除く): 18316448

約数列:

[1, 2, 4, 8, 16, 37, 74, 131, 148, 233, 262, 296, 466, 524, 592, 932, 1048, 1864, 2096, 3728, 4847, 8621, 9694, 17242, 19388, 30523, 34484, 38776, 61046, 68968, 77552, 122092, 137936, 244184, 488368, 1129351, 2258702, 4517404, 9034808, 18069616]

約数ペア:

[(1, 18069616), (2, 9034808), (4, 4517404), (8, 2258702), (16, 1129351), (37, 488368), (74, 244184), (131, 137936), (148, 122092), (233, 77552), (262, 68968), (296, 61046), (466, 38776), (524, 34484), (592, 30523), (932, 19388), (1048, 17242), (1864, 9694), (2096, 8621), (3728, 4847)]