18580252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 18342788

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 73, 76, 146, 197, 292, 323, 394, 646, 788, 1241, 1292, 1387, 2482, 2774, 3349, 3743, 4964, 5548, 6698, 7486, 13396, 14381, 14972, 23579, 28762, 47158, 57524, 63631, 94316, 127262, 244477, 254524, 273239, 488954, 546478, 977908, 1092956, 4645063, 9290126, 18580252]

約数ペア:

[(1, 18580252), (2, 9290126), (4, 4645063), (17, 1092956), (19, 977908), (34, 546478), (38, 488954), (68, 273239), (73, 254524), (76, 244477), (146, 127262), (197, 94316), (292, 63631), (323, 57524), (394, 47158), (646, 28762), (788, 23579), (1241, 14972), (1292, 14381), (1387, 13396), (2482, 7486), (2774, 6698), (3349, 5548), (3743, 4964)]