19686068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 19432396

約数列:

[1, 2, 4, 17, 23, 34, 41, 46, 68, 82, 92, 164, 307, 391, 614, 697, 782, 943, 1228, 1394, 1564, 1886, 2788, 3772, 5219, 7061, 10438, 12587, 14122, 16031, 20876, 25174, 28244, 32062, 50348, 64124, 120037, 213979, 240074, 289501, 427958, 480148, 579002, 855916, 1158004, 4921517, 9843034, 19686068]

約数ペア:

[(1, 19686068), (2, 9843034), (4, 4921517), (17, 1158004), (23, 855916), (34, 579002), (41, 480148), (46, 427958), (68, 289501), (82, 240074), (92, 213979), (164, 120037), (307, 64124), (391, 50348), (614, 32062), (697, 28244), (782, 25174), (943, 20876), (1228, 16031), (1394, 14122), (1564, 12587), (1886, 10438), (2788, 7061), (3772, 5219)]