19564995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 33203520

約数和(自身を除く): 13638525

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1097, 1189, 3291, 3567, 5485, 5945, 16455, 17835, 31813, 44977, 95439, 134931, 159065, 224885, 477195, 674655, 1304333, 3912999, 6521665, 19564995]

約数ペア:

[(1, 19564995), (3, 6521665), (5, 3912999), (15, 1304333), (29, 674655), (41, 477195), (87, 224885), (123, 159065), (145, 134931), (205, 95439), (435, 44977), (615, 31813), (1097, 17835), (1189, 16455), (3291, 5945), (3567, 5485)]