19872276

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 29116524

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 89, 92, 138, 178, 267, 276, 356, 534, 809, 1068, 1618, 2047, 2427, 3236, 4094, 4854, 6141, 8188, 9708, 12282, 18607, 24564, 37214, 55821, 72001, 74428, 111642, 144002, 216003, 223284, 288004, 432006, 864012, 1656023, 3312046, 4968069, 6624092, 9936138, 19872276]

約数ペア:

[(1, 19872276), (2, 9936138), (3, 6624092), (4, 4968069), (6, 3312046), (12, 1656023), (23, 864012), (46, 432006), (69, 288004), (89, 223284), (92, 216003), (138, 144002), (178, 111642), (267, 74428), (276, 72001), (356, 55821), (534, 37214), (809, 24564), (1068, 18607), (1618, 12282), (2047, 9708), (2427, 8188), (3236, 6141), (4094, 4854)]