18378932

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 40040448

約数和(自身を除く): 21661516

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 121, 127, 143, 242, 253, 254, 286, 299, 484, 506, 508, 572, 598, 1012, 1196, 1397, 1573, 1651, 2783, 2794, 2921, 3146, 3289, 3302, 5566, 5588, 5842, 6292, 6578, 6604, 11132, 11684, 13156, 15367, 18161, 30734, 32131, 36179, 36322, 37973, 61468, 64262, 72358, 72644, 75946, 128524, 144716, 151892, 199771, 353441, 399542, 417703, 706882, 799084, 835406, 1413764, 1670812, 4594733, 9189466, 18378932]

約数ペア:

[(1, 18378932), (2, 9189466), (4, 4594733), (11, 1670812), (13, 1413764), (22, 835406), (23, 799084), (26, 706882), (44, 417703), (46, 399542), (52, 353441), (92, 199771), (121, 151892), (127, 144716), (143, 128524), (242, 75946), (253, 72644), (254, 72358), (286, 64262), (299, 61468), (484, 37973), (506, 36322), (508, 36179), (572, 32131), (598, 30734), (1012, 18161), (1196, 15367), (1397, 13156), (1573, 11684), (1651, 11132), (2783, 6604), (2794, 6578), (2921, 6292), (3146, 5842), (3289, 5588), (3302, 5566)]