18910182016

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71821}}^1$

素因数の和:71874

約数の個数: 96

約数和(自身を含む): 43845176340

約数和(自身を除く): 24934994324

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 121, 128, 136, 176, 187, 242, 272, 352, 374, 484, 544, 704, 748, 968, 1088, 1408, 1496, 1936, 2057, 2176, 2992, 3872, 4114, 5984, 7744, 8228, 11968, 15488, 16456, 23936, 32912, 65824, 71821, 131648, 143642, 263296, 287284, 574568, 790031, 1149136, 1220957, 1580062, 2298272, 2441914, 3160124, 4596544, 4883828, 6320248, 8690341, 9193088, 9767656, 12640496, 13430527, 17380682, 19535312, 25280992, 26861054, 34761364, 39070624, 50561984, 53722108, 69522728, 78141248, 101123968, 107444216, 139045456, 147735797, 156282496, 214888432, 278090912, 295471594, 429776864, 556181824, 590943188, 859553728, 1112363648, 1181886376, 1719107456, 2363772752, 4727545504, 9455091008, 18910182016]

約数ペア:

[(1, 18910182016), (2, 9455091008), (4, 4727545504), (8, 2363772752), (11, 1719107456), (16, 1181886376), (17, 1112363648), (22, 859553728), (32, 590943188), (34, 556181824), (44, 429776864), (64, 295471594), (68, 278090912), (88, 214888432), (121, 156282496), (128, 147735797), (136, 139045456), (176, 107444216), (187, 101123968), (242, 78141248), (272, 69522728), (352, 53722108), (374, 50561984), (484, 39070624), (544, 34761364), (704, 26861054), (748, 25280992), (968, 19535312), (1088, 17380682), (1408, 13430527), (1496, 12640496), (1936, 9767656), (2057, 9193088), (2176, 8690341), (2992, 6320248), (3872, 4883828), (4114, 4596544), (5984, 3160124), (7744, 2441914), (8228, 2298272), (11968, 1580062), (15488, 1220957), (16456, 1149136), (23936, 790031), (32912, 574568), (65824, 287284), (71821, 263296), (131648, 143642)]