18769036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 41187440

約数和(自身を除く): 22418404

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 143, 157, 209, 242, 247, 286, 314, 418, 484, 494, 572, 628, 836, 988, 1573, 1727, 2041, 2299, 2717, 2983, 3146, 3454, 4082, 4598, 5434, 5966, 6292, 6908, 8164, 9196, 10868, 11932, 18997, 22451, 29887, 32813, 37994, 38779, 44902, 59774, 65626, 75988, 77558, 89804, 119548, 131252, 155116, 246961, 360943, 426569, 493922, 721886, 853138, 987844, 1443772, 1706276, 4692259, 9384518, 18769036]

約数ペア:

[(1, 18769036), (2, 9384518), (4, 4692259), (11, 1706276), (13, 1443772), (19, 987844), (22, 853138), (26, 721886), (38, 493922), (44, 426569), (52, 360943), (76, 246961), (121, 155116), (143, 131252), (157, 119548), (209, 89804), (242, 77558), (247, 75988), (286, 65626), (314, 59774), (418, 44902), (484, 38779), (494, 37994), (572, 32813), (628, 29887), (836, 22451), (988, 18997), (1573, 11932), (1727, 10868), (2041, 9196), (2299, 8164), (2717, 6908), (2983, 6292), (3146, 5966), (3454, 5434), (4082, 4598)]