19975116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6427}}^1$

素因数の和:6478

約数の個数: 48

約数和(自身を含む): 54715136

約数和(自身を除く): 34740020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6427, 12854, 19281, 25708, 38562, 44989, 77124, 89978, 134967, 179956, 237799, 269934, 475598, 539868, 713397, 951196, 1426794, 1664593, 2853588, 3329186, 4993779, 6658372, 9987558, 19975116]

約数ペア:

[(1, 19975116), (2, 9987558), (3, 6658372), (4, 4993779), (6, 3329186), (7, 2853588), (12, 1664593), (14, 1426794), (21, 951196), (28, 713397), (37, 539868), (42, 475598), (74, 269934), (84, 237799), (111, 179956), (148, 134967), (222, 89978), (259, 77124), (444, 44989), (518, 38562), (777, 25708), (1036, 19281), (1554, 12854), (3108, 6427)]