19980054

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16087}}^1$

素因数の和:16121

約数の個数: 32

約数和(自身を含む): 46333440

約数和(自身を除く): 26353386

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16087, 32174, 48261, 96522, 144783, 289566, 370001, 434349, 740002, 868698, 1110003, 2220006, 3330009, 6660018, 9990027, 19980054]

約数ペア:

[(1, 19980054), (2, 9990027), (3, 6660018), (6, 3330009), (9, 2220006), (18, 1110003), (23, 868698), (27, 740002), (46, 434349), (54, 370001), (69, 289566), (138, 144783), (207, 96522), (414, 48261), (621, 32174), (1242, 16087)]