19994346

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 48678084

約数和(自身を除く): 28683738

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 181, 306, 323, 342, 361, 362, 543, 646, 722, 969, 1083, 1086, 1629, 1938, 2166, 2907, 3077, 3249, 3258, 3439, 5814, 6137, 6154, 6498, 6878, 9231, 10317, 12274, 18411, 18462, 20634, 27693, 30951, 36822, 55233, 55386, 58463, 61902, 65341, 110466, 116926, 130682, 175389, 196023, 350778, 392046, 526167, 588069, 1052334, 1110797, 1176138, 2221594, 3332391, 6664782, 9997173, 19994346]

約数ペア:

[(1, 19994346), (2, 9997173), (3, 6664782), (6, 3332391), (9, 2221594), (17, 1176138), (18, 1110797), (19, 1052334), (34, 588069), (38, 526167), (51, 392046), (57, 350778), (102, 196023), (114, 175389), (153, 130682), (171, 116926), (181, 110466), (306, 65341), (323, 61902), (342, 58463), (361, 55386), (362, 55233), (543, 36822), (646, 30951), (722, 27693), (969, 20634), (1083, 18462), (1086, 18411), (1629, 12274), (1938, 10317), (2166, 9231), (2907, 6878), (3077, 6498), (3249, 6154), (3258, 6137), (3439, 5814)]