19220778

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2779

約数の個数: 48

約数和(自身を含む): 46028736

約数和(自身を除く): 26807958

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 102, 138, 153, 207, 306, 391, 414, 782, 1173, 2346, 2731, 3519, 5462, 7038, 8193, 16386, 24579, 46427, 49158, 62813, 92854, 125626, 139281, 188439, 278562, 376878, 417843, 565317, 835686, 1067821, 1130634, 2135642, 3203463, 6406926, 9610389, 19220778]

約数ペア:

[(1, 19220778), (2, 9610389), (3, 6406926), (6, 3203463), (9, 2135642), (17, 1130634), (18, 1067821), (23, 835686), (34, 565317), (46, 417843), (51, 376878), (69, 278562), (102, 188439), (138, 139281), (153, 125626), (207, 92854), (306, 62813), (391, 49158), (414, 46427), (782, 24579), (1173, 16386), (2346, 8193), (2731, 7038), (3519, 5462)]