18091788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 49928256

約数和(自身を除く): 31836468

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 811, 858, 1014, 1622, 1716, 1859, 2028, 2433, 3244, 3718, 4866, 5577, 7436, 8921, 9732, 10543, 11154, 17842, 21086, 22308, 26763, 31629, 35684, 42172, 53526, 63258, 107052, 115973, 126516, 137059, 231946, 274118, 347919, 411177, 463892, 548236, 695838, 822354, 1391676, 1507649, 1644708, 3015298, 4522947, 6030596, 9045894, 18091788]

約数ペア:

[(1, 18091788), (2, 9045894), (3, 6030596), (4, 4522947), (6, 3015298), (11, 1644708), (12, 1507649), (13, 1391676), (22, 822354), (26, 695838), (33, 548236), (39, 463892), (44, 411177), (52, 347919), (66, 274118), (78, 231946), (132, 137059), (143, 126516), (156, 115973), (169, 107052), (286, 63258), (338, 53526), (429, 42172), (507, 35684), (572, 31629), (676, 26763), (811, 22308), (858, 21086), (1014, 17842), (1622, 11154), (1716, 10543), (1859, 9732), (2028, 8921), (2433, 7436), (3244, 5577), (3718, 4866)]