19553672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 39472920

約数和(自身を除く): 19919248

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 2357, 4148, 4714, 8296, 9428, 18856, 40069, 80138, 143777, 160276, 287554, 320552, 575108, 1150216, 2444209, 4888418, 9776836, 19553672]

約数ペア:

[(1, 19553672), (2, 9776836), (4, 4888418), (8, 2444209), (17, 1150216), (34, 575108), (61, 320552), (68, 287554), (122, 160276), (136, 143777), (244, 80138), (488, 40069), (1037, 18856), (2074, 9428), (2357, 8296), (4148, 4714)]