18894208

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 42044400

約数和(自身を除く): 23150192

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 457, 544, 608, 646, 914, 1088, 1216, 1292, 1828, 2176, 2432, 2584, 3656, 5168, 7312, 7769, 8683, 10336, 14624, 15538, 17366, 20672, 29248, 31076, 34732, 41344, 58496, 62152, 69464, 124304, 138928, 147611, 248608, 277856, 295222, 497216, 555712, 590444, 994432, 1111424, 1180888, 2361776, 4723552, 9447104, 18894208]

約数ペア:

[(1, 18894208), (2, 9447104), (4, 4723552), (8, 2361776), (16, 1180888), (17, 1111424), (19, 994432), (32, 590444), (34, 555712), (38, 497216), (64, 295222), (68, 277856), (76, 248608), (128, 147611), (136, 138928), (152, 124304), (272, 69464), (304, 62152), (323, 58496), (457, 41344), (544, 34732), (608, 31076), (646, 29248), (914, 20672), (1088, 17366), (1216, 15538), (1292, 14624), (1828, 10336), (2176, 8683), (2432, 7769), (2584, 7312), (3656, 5168)]