19992612

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4261}}^1$

素因数の和:4308

約数の個数: 48

約数和(自身を含む): 51553152

約数和(自身を除く): 31560540

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4261, 4692, 8522, 12783, 17044, 25566, 51132, 72437, 98003, 144874, 196006, 217311, 289748, 294009, 392012, 434622, 588018, 869244, 1176036, 1666051, 3332102, 4998153, 6664204, 9996306, 19992612]

約数ペア:

[(1, 19992612), (2, 9996306), (3, 6664204), (4, 4998153), (6, 3332102), (12, 1666051), (17, 1176036), (23, 869244), (34, 588018), (46, 434622), (51, 392012), (68, 294009), (69, 289748), (92, 217311), (102, 196006), (138, 144874), (204, 98003), (276, 72437), (391, 51132), (782, 25566), (1173, 17044), (1564, 12783), (2346, 8522), (4261, 4692)]