18851624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 21972376

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 83, 88, 89, 116, 166, 178, 232, 319, 332, 356, 638, 664, 712, 913, 979, 1276, 1826, 1958, 2407, 2552, 2581, 3652, 3916, 4814, 5162, 7304, 7387, 7832, 9628, 10324, 14774, 19256, 20648, 26477, 28391, 29548, 52954, 56782, 59096, 81257, 105908, 113564, 162514, 211816, 214223, 227128, 325028, 428446, 650056, 856892, 1713784, 2356453, 4712906, 9425812, 18851624]

約数ペア:

[(1, 18851624), (2, 9425812), (4, 4712906), (8, 2356453), (11, 1713784), (22, 856892), (29, 650056), (44, 428446), (58, 325028), (83, 227128), (88, 214223), (89, 211816), (116, 162514), (166, 113564), (178, 105908), (232, 81257), (319, 59096), (332, 56782), (356, 52954), (638, 29548), (664, 28391), (712, 26477), (913, 20648), (979, 19256), (1276, 14774), (1826, 10324), (1958, 9628), (2407, 7832), (2552, 7387), (2581, 7304), (3652, 5162), (3916, 4814)]