19776321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6803}}^1$

素因数の和:6845

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 12066399

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6803, 20409, 61227, 115651, 129257, 346953, 387771, 1040859, 1163313, 2197369, 6592107, 19776321]

約数ペア:

[(1, 19776321), (3, 6592107), (9, 2197369), (17, 1163313), (19, 1040859), (51, 387771), (57, 346953), (153, 129257), (171, 115651), (323, 61227), (969, 20409), (2907, 6803)]