18949424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 43872192

約数和(自身を除く): 24922768

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 208, 221, 233, 272, 299, 368, 391, 442, 466, 598, 782, 884, 932, 1196, 1564, 1768, 1864, 2392, 3029, 3128, 3536, 3728, 3961, 4784, 5083, 5359, 6058, 6256, 7922, 10166, 10718, 12116, 15844, 20332, 21436, 24232, 31688, 40664, 42872, 48464, 51493, 63376, 69667, 81328, 85744, 91103, 102986, 139334, 182206, 205972, 278668, 364412, 411944, 557336, 728824, 823888, 1114672, 1184339, 1457648, 2368678, 4737356, 9474712, 18949424]

約数ペア:

[(1, 18949424), (2, 9474712), (4, 4737356), (8, 2368678), (13, 1457648), (16, 1184339), (17, 1114672), (23, 823888), (26, 728824), (34, 557336), (46, 411944), (52, 364412), (68, 278668), (92, 205972), (104, 182206), (136, 139334), (184, 102986), (208, 91103), (221, 85744), (233, 81328), (272, 69667), (299, 63376), (368, 51493), (391, 48464), (442, 42872), (466, 40664), (598, 31688), (782, 24232), (884, 21436), (932, 20332), (1196, 15844), (1564, 12116), (1768, 10718), (1864, 10166), (2392, 7922), (3029, 6256), (3128, 6058), (3536, 5359), (3728, 5083), (3961, 4784)]