19992636

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9743}}^1$

素因数の和:9775

約数の個数: 48

約数和(自身を含む): 54566400

約数和(自身を除く): 34573764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9743, 19486, 29229, 38972, 58458, 87687, 116916, 175374, 185117, 263061, 350748, 370234, 526122, 555351, 740468, 1052244, 1110702, 1666053, 2221404, 3332106, 4998159, 6664212, 9996318, 19992636]

約数ペア:

[(1, 19992636), (2, 9996318), (3, 6664212), (4, 4998159), (6, 3332106), (9, 2221404), (12, 1666053), (18, 1110702), (19, 1052244), (27, 740468), (36, 555351), (38, 526122), (54, 370234), (57, 350748), (76, 263061), (108, 185117), (114, 175374), (171, 116916), (228, 87687), (342, 58458), (513, 38972), (684, 29229), (1026, 19486), (2052, 9743)]