19991190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16253}}^1$

素因数の和:16304

約数の個数: 32

約数和(自身を含む): 49152096

約数和(自身を除く): 29160906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16253, 32506, 48759, 81265, 97518, 162530, 243795, 487590, 666373, 1332746, 1999119, 3331865, 3998238, 6663730, 9995595, 19991190]

約数ペア:

[(1, 19991190), (2, 9995595), (3, 6663730), (5, 3998238), (6, 3331865), (10, 1999119), (15, 1332746), (30, 666373), (41, 487590), (82, 243795), (123, 162530), (205, 97518), (246, 81265), (410, 48759), (615, 32506), (1230, 16253)]