17891312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 36790800

約数和(自身を除く): 18899488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 229, 257, 304, 458, 514, 916, 1028, 1832, 2056, 3664, 4112, 4351, 4883, 8702, 9766, 17404, 19532, 34808, 39064, 58853, 69616, 78128, 117706, 235412, 470824, 941648, 1118207, 2236414, 4472828, 8945656, 17891312]

約数ペア:

[(1, 17891312), (2, 8945656), (4, 4472828), (8, 2236414), (16, 1118207), (19, 941648), (38, 470824), (76, 235412), (152, 117706), (229, 78128), (257, 69616), (304, 58853), (458, 39064), (514, 34808), (916, 19532), (1028, 17404), (1832, 9766), (2056, 8702), (3664, 4883), (4112, 4351)]