18969972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4328

約数の個数: 48

約数和(自身を含む): 51553152

約数和(自身を除く): 32583180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4261, 4452, 8522, 12783, 17044, 25566, 29827, 51132, 59654, 89481, 119308, 178962, 225833, 357924, 451666, 677499, 903332, 1354998, 1580831, 2709996, 3161662, 4742493, 6323324, 9484986, 18969972]

約数ペア:

[(1, 18969972), (2, 9484986), (3, 6323324), (4, 4742493), (6, 3161662), (7, 2709996), (12, 1580831), (14, 1354998), (21, 903332), (28, 677499), (42, 451666), (53, 357924), (84, 225833), (106, 178962), (159, 119308), (212, 89481), (318, 59654), (371, 51132), (636, 29827), (742, 25566), (1113, 17044), (1484, 12783), (2226, 8522), (4261, 4452)]