19427872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 21722720

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 503, 544, 568, 1006, 1136, 1207, 2012, 2272, 2414, 4024, 4828, 8048, 8551, 9656, 16096, 17102, 19312, 34204, 35713, 38624, 68408, 71426, 136816, 142852, 273632, 285704, 571408, 607121, 1142816, 1214242, 2428484, 4856968, 9713936, 19427872]

約数ペア:

[(1, 19427872), (2, 9713936), (4, 4856968), (8, 2428484), (16, 1214242), (17, 1142816), (32, 607121), (34, 571408), (68, 285704), (71, 273632), (136, 142852), (142, 136816), (272, 71426), (284, 68408), (503, 38624), (544, 35713), (568, 34204), (1006, 19312), (1136, 17102), (1207, 16096), (2012, 9656), (2272, 8551), (2414, 8048), (4024, 4828)]