18428060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 28988260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 59, 70, 92, 97, 115, 118, 140, 161, 194, 230, 236, 295, 322, 388, 413, 460, 485, 590, 644, 679, 805, 826, 970, 1180, 1357, 1358, 1610, 1652, 1940, 2065, 2231, 2714, 2716, 3220, 3395, 4130, 4462, 5428, 5723, 6785, 6790, 8260, 8924, 9499, 11155, 11446, 13570, 13580, 15617, 18998, 22310, 22892, 27140, 28615, 31234, 37996, 40061, 44620, 47495, 57230, 62468, 78085, 80122, 94990, 114460, 131629, 156170, 160244, 189980, 200305, 263258, 312340, 400610, 526516, 658145, 801220, 921403, 1316290, 1842806, 2632580, 3685612, 4607015, 9214030, 18428060]

約数ペア:

[(1, 18428060), (2, 9214030), (4, 4607015), (5, 3685612), (7, 2632580), (10, 1842806), (14, 1316290), (20, 921403), (23, 801220), (28, 658145), (35, 526516), (46, 400610), (59, 312340), (70, 263258), (92, 200305), (97, 189980), (115, 160244), (118, 156170), (140, 131629), (161, 114460), (194, 94990), (230, 80122), (236, 78085), (295, 62468), (322, 57230), (388, 47495), (413, 44620), (460, 40061), (485, 37996), (590, 31234), (644, 28615), (679, 27140), (805, 22892), (826, 22310), (970, 18998), (1180, 15617), (1357, 13580), (1358, 13570), (1610, 11446), (1652, 11155), (1940, 9499), (2065, 8924), (2231, 8260), (2714, 6790), (2716, 6785), (3220, 5723), (3395, 5428), (4130, 4462)]