19586912

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 20747200

約数列:

[1, 2, 4, 8, 16, 32, 37, 71, 74, 142, 148, 233, 284, 296, 466, 568, 592, 932, 1136, 1184, 1864, 2272, 2627, 3728, 5254, 7456, 8621, 10508, 16543, 17242, 21016, 33086, 34484, 42032, 66172, 68968, 84064, 132344, 137936, 264688, 275872, 529376, 612091, 1224182, 2448364, 4896728, 9793456, 19586912]

約数ペア:

[(1, 19586912), (2, 9793456), (4, 4896728), (8, 2448364), (16, 1224182), (32, 612091), (37, 529376), (71, 275872), (74, 264688), (142, 137936), (148, 132344), (233, 84064), (284, 68968), (296, 66172), (466, 42032), (568, 34484), (592, 33086), (932, 21016), (1136, 17242), (1184, 16543), (1864, 10508), (2272, 8621), (2627, 7456), (3728, 5254)]