19967283

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3643}}^1$

素因数の和:3688

約数の個数: 32

約数和(自身を含む): 34982400

約数和(自身を除く): 15015117

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3643, 5481, 10929, 25501, 32787, 76503, 98361, 105647, 229509, 316941, 688527, 739529, 950823, 2218587, 2852469, 6655761, 19967283]

約数ペア:

[(1, 19967283), (3, 6655761), (7, 2852469), (9, 2218587), (21, 950823), (27, 739529), (29, 688527), (63, 316941), (87, 229509), (189, 105647), (203, 98361), (261, 76503), (609, 32787), (783, 25501), (1827, 10929), (3643, 5481)]