18769904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 38845728

約数和(自身を除く): 20075824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 151, 272, 302, 457, 604, 914, 1208, 1828, 2416, 2567, 3656, 5134, 7312, 7769, 10268, 15538, 20536, 31076, 41072, 62152, 69007, 124304, 138014, 276028, 552056, 1104112, 1173119, 2346238, 4692476, 9384952, 18769904]

約数ペア:

[(1, 18769904), (2, 9384952), (4, 4692476), (8, 2346238), (16, 1173119), (17, 1104112), (34, 552056), (68, 276028), (136, 138014), (151, 124304), (272, 69007), (302, 62152), (457, 41072), (604, 31076), (914, 20536), (1208, 15538), (1828, 10268), (2416, 7769), (2567, 7312), (3656, 5134)]