18160340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 45045504

約数和(自身を除く): 26885164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 55, 74, 92, 97, 110, 115, 148, 185, 194, 220, 230, 253, 370, 388, 407, 460, 485, 506, 740, 814, 851, 970, 1012, 1067, 1265, 1628, 1702, 1940, 2035, 2134, 2231, 2530, 3404, 3589, 4070, 4255, 4268, 4462, 5060, 5335, 7178, 8140, 8510, 8924, 9361, 10670, 11155, 14356, 17020, 17945, 18722, 21340, 22310, 24541, 35890, 37444, 39479, 44620, 46805, 49082, 71780, 78958, 82547, 93610, 98164, 122705, 157916, 165094, 187220, 197395, 245410, 330188, 394790, 412735, 490820, 789580, 825470, 908017, 1650940, 1816034, 3632068, 4540085, 9080170, 18160340]

約数ペア:

[(1, 18160340), (2, 9080170), (4, 4540085), (5, 3632068), (10, 1816034), (11, 1650940), (20, 908017), (22, 825470), (23, 789580), (37, 490820), (44, 412735), (46, 394790), (55, 330188), (74, 245410), (92, 197395), (97, 187220), (110, 165094), (115, 157916), (148, 122705), (185, 98164), (194, 93610), (220, 82547), (230, 78958), (253, 71780), (370, 49082), (388, 46805), (407, 44620), (460, 39479), (485, 37444), (506, 35890), (740, 24541), (814, 22310), (851, 21340), (970, 18722), (1012, 17945), (1067, 17020), (1265, 14356), (1628, 11155), (1702, 10670), (1940, 9361), (2035, 8924), (2134, 8510), (2231, 8140), (2530, 7178), (3404, 5335), (3589, 5060), (4070, 4462), (4255, 4268)]