19343168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 56

約数和(自身を含む): 42074592

約数和(自身を除く): 22731424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 347, 416, 536, 694, 832, 871, 1072, 1388, 1742, 2144, 2776, 3484, 4288, 4511, 5552, 6968, 9022, 11104, 13936, 18044, 22208, 23249, 27872, 36088, 46498, 55744, 72176, 92996, 144352, 185992, 288704, 302237, 371984, 604474, 743968, 1208948, 1487936, 2417896, 4835792, 9671584, 19343168]

約数ペア:

[(1, 19343168), (2, 9671584), (4, 4835792), (8, 2417896), (13, 1487936), (16, 1208948), (26, 743968), (32, 604474), (52, 371984), (64, 302237), (67, 288704), (104, 185992), (134, 144352), (208, 92996), (268, 72176), (347, 55744), (416, 46498), (536, 36088), (694, 27872), (832, 23249), (871, 22208), (1072, 18044), (1388, 13936), (1742, 11104), (2144, 9022), (2776, 6968), (3484, 5552), (4288, 4511)]