19898889213

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1\times {\mathrm{16253}}^1$

素因数の和:16773

約数の個数: 32

約数和(自身を含む): 30589767936

約数和(自身を除く): 10690878723

約数列:

[1, 3, 7, 21, 173, 337, 519, 1011, 1211, 2359, 3633, 7077, 16253, 48759, 58301, 113771, 174903, 341313, 408107, 1224321, 2811769, 5477261, 8435307, 16431783, 19682383, 38340827, 59047149, 115022481, 947566153, 2842698459, 6632963071, 19898889213]

約数ペア:

[(1, 19898889213), (3, 6632963071), (7, 2842698459), (21, 947566153), (173, 115022481), (337, 59047149), (519, 38340827), (1011, 19682383), (1211, 16431783), (2359, 8435307), (3633, 5477261), (7077, 2811769), (16253, 1224321), (48759, 408107), (58301, 341313), (113771, 174903)]