18337473

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 33785856

約数和(自身を除く): 15448383

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 563, 693, 987, 1551, 1689, 2961, 3619, 3941, 4653, 5067, 6193, 10857, 11823, 18579, 26461, 32571, 35469, 43351, 55737, 79383, 130053, 185227, 238149, 291071, 390159, 555681, 873213, 1667043, 2037497, 2619639, 6112491, 18337473]

約数ペア:

[(1, 18337473), (3, 6112491), (7, 2619639), (9, 2037497), (11, 1667043), (21, 873213), (33, 555681), (47, 390159), (63, 291071), (77, 238149), (99, 185227), (141, 130053), (231, 79383), (329, 55737), (423, 43351), (517, 35469), (563, 32571), (693, 26461), (987, 18579), (1551, 11823), (1689, 10857), (2961, 6193), (3619, 5067), (3941, 4653)]