19018096

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 38528784

約数和(自身を除く): 19510688

約数列:

[1, 2, 4, 8, 16, 41, 53, 82, 106, 164, 212, 328, 424, 547, 656, 848, 1094, 2173, 2188, 4346, 4376, 8692, 8752, 17384, 22427, 28991, 34768, 44854, 57982, 89708, 115964, 179416, 231928, 358832, 463856, 1188631, 2377262, 4754524, 9509048, 19018096]

約数ペア:

[(1, 19018096), (2, 9509048), (4, 4754524), (8, 2377262), (16, 1188631), (41, 463856), (53, 358832), (82, 231928), (106, 179416), (164, 115964), (212, 89708), (328, 57982), (424, 44854), (547, 34768), (656, 28991), (848, 22427), (1094, 17384), (2173, 8752), (2188, 8692), (4346, 4376)]