18761744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2999}}^1$

素因数の和:3047

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 21414256

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 2999, 3128, 5998, 6256, 11996, 23992, 47984, 50983, 68977, 101966, 137954, 203932, 275908, 407864, 551816, 815728, 1103632, 1172609, 2345218, 4690436, 9380872, 18761744]

約数ペア:

[(1, 18761744), (2, 9380872), (4, 4690436), (8, 2345218), (16, 1172609), (17, 1103632), (23, 815728), (34, 551816), (46, 407864), (68, 275908), (92, 203932), (136, 137954), (184, 101966), (272, 68977), (368, 50983), (391, 47984), (782, 23992), (1564, 11996), (2999, 6256), (3128, 5998)]