18733803

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 28527360

約数和(自身を除く): 9793557

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 229, 407, 687, 737, 1221, 2211, 2479, 2519, 7437, 7557, 8473, 15343, 25419, 27269, 46029, 81807, 93203, 168773, 279609, 506319, 567691, 1703073, 6244601, 18733803]

約数ペア:

[(1, 18733803), (3, 6244601), (11, 1703073), (33, 567691), (37, 506319), (67, 279609), (111, 168773), (201, 93203), (229, 81807), (407, 46029), (687, 27269), (737, 25419), (1221, 15343), (2211, 8473), (2479, 7557), (2519, 7437)]