18445908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 31341228

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 53, 69, 78, 92, 97, 106, 138, 156, 159, 194, 212, 276, 291, 299, 318, 388, 582, 598, 636, 689, 897, 1164, 1196, 1219, 1261, 1378, 1794, 2067, 2231, 2438, 2522, 2756, 3588, 3657, 3783, 4134, 4462, 4876, 5044, 5141, 6693, 7314, 7566, 8268, 8924, 10282, 13386, 14628, 15132, 15423, 15847, 20564, 26772, 29003, 30846, 31694, 47541, 58006, 61692, 63388, 66833, 87009, 95082, 116012, 118243, 133666, 174018, 190164, 200499, 236486, 267332, 348036, 354729, 400998, 472972, 709458, 801996, 1418916, 1537159, 3074318, 4611477, 6148636, 9222954, 18445908]

約数ペア:

[(1, 18445908), (2, 9222954), (3, 6148636), (4, 4611477), (6, 3074318), (12, 1537159), (13, 1418916), (23, 801996), (26, 709458), (39, 472972), (46, 400998), (52, 354729), (53, 348036), (69, 267332), (78, 236486), (92, 200499), (97, 190164), (106, 174018), (138, 133666), (156, 118243), (159, 116012), (194, 95082), (212, 87009), (276, 66833), (291, 63388), (299, 61692), (318, 58006), (388, 47541), (582, 31694), (598, 30846), (636, 29003), (689, 26772), (897, 20564), (1164, 15847), (1196, 15423), (1219, 15132), (1261, 14628), (1378, 13386), (1794, 10282), (2067, 8924), (2231, 8268), (2438, 7566), (2522, 7314), (2756, 6693), (3588, 5141), (3657, 5044), (3783, 4876), (4134, 4462)]