18337436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 36220800

約数和(自身を除く): 17883364

約数列:

[1, 2, 4, 13, 26, 43, 52, 59, 86, 118, 139, 172, 236, 278, 556, 559, 767, 1118, 1534, 1807, 2236, 2537, 3068, 3614, 5074, 5977, 7228, 8201, 10148, 11954, 16402, 23908, 32804, 32981, 65962, 77701, 106613, 131924, 155402, 213226, 310804, 352643, 426452, 705286, 1410572, 4584359, 9168718, 18337436]

約数ペア:

[(1, 18337436), (2, 9168718), (4, 4584359), (13, 1410572), (26, 705286), (43, 426452), (52, 352643), (59, 310804), (86, 213226), (118, 155402), (139, 131924), (172, 106613), (236, 77701), (278, 65962), (556, 32981), (559, 32804), (767, 23908), (1118, 16402), (1534, 11954), (1807, 10148), (2236, 8201), (2537, 7228), (3068, 5977), (3614, 5074)]