18443838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 44854272

約数和(自身を除く): 26410434

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 61, 69, 122, 138, 161, 183, 313, 322, 366, 427, 483, 626, 854, 939, 966, 1281, 1403, 1878, 2191, 2562, 2806, 4209, 4382, 6573, 7199, 8418, 9821, 13146, 14398, 19093, 19642, 21597, 29463, 38186, 43194, 50393, 57279, 58926, 100786, 114558, 133651, 151179, 267302, 302358, 400953, 439139, 801906, 878278, 1317417, 2634834, 3073973, 6147946, 9221919, 18443838]

約数ペア:

[(1, 18443838), (2, 9221919), (3, 6147946), (6, 3073973), (7, 2634834), (14, 1317417), (21, 878278), (23, 801906), (42, 439139), (46, 400953), (61, 302358), (69, 267302), (122, 151179), (138, 133651), (161, 114558), (183, 100786), (313, 58926), (322, 57279), (366, 50393), (427, 43194), (483, 38186), (626, 29463), (854, 21597), (939, 19642), (966, 19093), (1281, 14398), (1403, 13146), (1878, 9821), (2191, 8418), (2562, 7199), (2806, 6573), (4209, 4382)]