19931824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 42385680

約数和(自身を除く): 22453856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 269, 421, 538, 842, 1076, 1684, 2152, 2959, 3368, 4304, 4631, 5918, 6736, 9262, 11836, 18524, 23672, 37048, 47344, 74096, 113249, 226498, 452996, 905992, 1245739, 1811984, 2491478, 4982956, 9965912, 19931824]

約数ペア:

[(1, 19931824), (2, 9965912), (4, 4982956), (8, 2491478), (11, 1811984), (16, 1245739), (22, 905992), (44, 452996), (88, 226498), (176, 113249), (269, 74096), (421, 47344), (538, 37048), (842, 23672), (1076, 18524), (1684, 11836), (2152, 9262), (2959, 6736), (3368, 5918), (4304, 4631)]