16818956

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 38782800

約数和(自身を除く): 21963844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 269, 308, 319, 406, 538, 539, 638, 812, 1076, 1078, 1276, 1421, 1883, 2156, 2233, 2842, 2959, 3766, 4466, 5684, 5918, 7532, 7801, 8932, 11836, 13181, 15602, 15631, 20713, 26362, 31204, 31262, 41426, 52724, 54607, 62524, 82852, 85811, 109214, 144991, 171622, 218428, 289982, 343244, 382249, 579964, 600677, 764498, 1201354, 1528996, 2402708, 4204739, 8409478, 16818956]

約数ペア:

[(1, 16818956), (2, 8409478), (4, 4204739), (7, 2402708), (11, 1528996), (14, 1201354), (22, 764498), (28, 600677), (29, 579964), (44, 382249), (49, 343244), (58, 289982), (77, 218428), (98, 171622), (116, 144991), (154, 109214), (196, 85811), (203, 82852), (269, 62524), (308, 54607), (319, 52724), (406, 41426), (538, 31262), (539, 31204), (638, 26362), (812, 20713), (1076, 15631), (1078, 15602), (1276, 13181), (1421, 11836), (1883, 8932), (2156, 7801), (2233, 7532), (2842, 5918), (2959, 5684), (3766, 4466)]