19380306

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 46780416

約数和(自身を除く): 27400110

約数列:

[1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 102, 138, 187, 253, 374, 391, 506, 561, 751, 759, 782, 1122, 1173, 1502, 1518, 2253, 2346, 4301, 4506, 8261, 8602, 12767, 12903, 16522, 17273, 24783, 25534, 25806, 34546, 38301, 49566, 51819, 76602, 103638, 140437, 190003, 280874, 293641, 380006, 421311, 570009, 587282, 842622, 880923, 1140018, 1761846, 3230051, 6460102, 9690153, 19380306]

約数ペア:

[(1, 19380306), (2, 9690153), (3, 6460102), (6, 3230051), (11, 1761846), (17, 1140018), (22, 880923), (23, 842622), (33, 587282), (34, 570009), (46, 421311), (51, 380006), (66, 293641), (69, 280874), (102, 190003), (138, 140437), (187, 103638), (253, 76602), (374, 51819), (391, 49566), (506, 38301), (561, 34546), (751, 25806), (759, 25534), (782, 24783), (1122, 17273), (1173, 16522), (1502, 12903), (1518, 12767), (2253, 8602), (2346, 8261), (4301, 4506)]