19239296

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 40759200

約数和(自身を除く): 21519904

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 73, 116, 128, 142, 146, 232, 284, 292, 464, 568, 584, 928, 1136, 1168, 1856, 2059, 2117, 2272, 2336, 3712, 4118, 4234, 4544, 4672, 5183, 8236, 8468, 9088, 9344, 10366, 16472, 16936, 20732, 32944, 33872, 41464, 65888, 67744, 82928, 131776, 135488, 150307, 165856, 263552, 270976, 300614, 331712, 601228, 663424, 1202456, 2404912, 4809824, 9619648, 19239296]

約数ペア:

[(1, 19239296), (2, 9619648), (4, 4809824), (8, 2404912), (16, 1202456), (29, 663424), (32, 601228), (58, 331712), (64, 300614), (71, 270976), (73, 263552), (116, 165856), (128, 150307), (142, 135488), (146, 131776), (232, 82928), (284, 67744), (292, 65888), (464, 41464), (568, 33872), (584, 32944), (928, 20732), (1136, 16936), (1168, 16472), (1856, 10366), (2059, 9344), (2117, 9088), (2272, 8468), (2336, 8236), (3712, 5183), (4118, 4672), (4234, 4544)]