19327833

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 14368167

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 149, 203, 213, 261, 447, 497, 609, 639, 1043, 1341, 1491, 1827, 2059, 3129, 4321, 4473, 6177, 9387, 10579, 12963, 14413, 18531, 30247, 31737, 38889, 43239, 74053, 90741, 95211, 129717, 222159, 272223, 306791, 666477, 920373, 2147537, 2761119, 6442611, 19327833]

約数ペア:

[(1, 19327833), (3, 6442611), (7, 2761119), (9, 2147537), (21, 920373), (29, 666477), (63, 306791), (71, 272223), (87, 222159), (149, 129717), (203, 95211), (213, 90741), (261, 74053), (447, 43239), (497, 38889), (609, 31737), (639, 30247), (1043, 18531), (1341, 14413), (1491, 12963), (1827, 10579), (2059, 9387), (3129, 6177), (4321, 4473)]