18218432

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 56

約数和(自身を含む): 38020752

約数和(自身を除く): 19802320

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 82, 106, 131, 164, 212, 262, 328, 424, 524, 656, 848, 1048, 1312, 1696, 2096, 2173, 2624, 3392, 4192, 4346, 5371, 6943, 8384, 8692, 10742, 13886, 17384, 21484, 27772, 34768, 42968, 55544, 69536, 85936, 111088, 139072, 171872, 222176, 284663, 343744, 444352, 569326, 1138652, 2277304, 4554608, 9109216, 18218432]

約数ペア:

[(1, 18218432), (2, 9109216), (4, 4554608), (8, 2277304), (16, 1138652), (32, 569326), (41, 444352), (53, 343744), (64, 284663), (82, 222176), (106, 171872), (131, 139072), (164, 111088), (212, 85936), (262, 69536), (328, 55544), (424, 42968), (524, 34768), (656, 27772), (848, 21484), (1048, 17384), (1312, 13886), (1696, 10742), (2096, 8692), (2173, 8384), (2624, 6943), (3392, 5371), (4192, 4346)]