19867372

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 41402368

約数和(自身を除く): 21534996

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 127, 148, 151, 254, 259, 302, 508, 518, 604, 889, 1036, 1057, 1778, 2114, 3556, 4228, 4699, 5587, 9398, 11174, 18796, 19177, 22348, 32893, 38354, 39109, 65786, 76708, 78218, 131572, 134239, 156436, 268478, 536956, 709549, 1419098, 2838196, 4966843, 9933686, 19867372]

約数ペア:

[(1, 19867372), (2, 9933686), (4, 4966843), (7, 2838196), (14, 1419098), (28, 709549), (37, 536956), (74, 268478), (127, 156436), (148, 134239), (151, 131572), (254, 78218), (259, 76708), (302, 65786), (508, 39109), (518, 38354), (604, 32893), (889, 22348), (1036, 19177), (1057, 18796), (1778, 11174), (2114, 9398), (3556, 5587), (4228, 4699)]