19405194

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 44915328

約数和(自身を除く): 25510134

約数列:

[1, 2, 3, 6, 17, 19, 31, 34, 38, 51, 57, 62, 93, 102, 114, 186, 289, 323, 361, 527, 578, 589, 646, 722, 867, 969, 1054, 1083, 1178, 1581, 1734, 1767, 1938, 2166, 3162, 3534, 5491, 6137, 8959, 10013, 10982, 11191, 12274, 16473, 17918, 18411, 20026, 22382, 26877, 30039, 32946, 33573, 36822, 53754, 60078, 67146, 104329, 170221, 190247, 208658, 312987, 340442, 380494, 510663, 570741, 625974, 1021326, 1141482, 3234199, 6468398, 9702597, 19405194]

約数ペア:

[(1, 19405194), (2, 9702597), (3, 6468398), (6, 3234199), (17, 1141482), (19, 1021326), (31, 625974), (34, 570741), (38, 510663), (51, 380494), (57, 340442), (62, 312987), (93, 208658), (102, 190247), (114, 170221), (186, 104329), (289, 67146), (323, 60078), (361, 53754), (527, 36822), (578, 33573), (589, 32946), (646, 30039), (722, 26877), (867, 22382), (969, 20026), (1054, 18411), (1083, 17918), (1178, 16473), (1581, 12274), (1734, 11191), (1767, 10982), (1938, 10013), (2166, 8959), (3162, 6137), (3534, 5491)]