18071408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 60

約数和(自身を含む): 38881440

約数和(自身を除く): 20810032

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 79, 116, 136, 158, 232, 272, 316, 464, 493, 632, 841, 986, 1264, 1343, 1682, 1972, 2291, 2686, 3364, 3944, 4582, 5372, 6728, 7888, 9164, 10744, 13456, 14297, 18328, 21488, 28594, 36656, 38947, 57188, 66439, 77894, 114376, 132878, 155788, 228752, 265756, 311576, 531512, 623152, 1063024, 1129463, 2258926, 4517852, 9035704, 18071408]

約数ペア:

[(1, 18071408), (2, 9035704), (4, 4517852), (8, 2258926), (16, 1129463), (17, 1063024), (29, 623152), (34, 531512), (58, 311576), (68, 265756), (79, 228752), (116, 155788), (136, 132878), (158, 114376), (232, 77894), (272, 66439), (316, 57188), (464, 38947), (493, 36656), (632, 28594), (841, 21488), (986, 18328), (1264, 14297), (1343, 13456), (1682, 10744), (1972, 9164), (2291, 7888), (2686, 6728), (3364, 5372), (3944, 4582)]