19200904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 18296696

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 557, 1112, 1114, 2228, 4309, 4456, 8618, 17236, 17267, 34472, 34534, 69068, 77423, 138136, 154846, 309692, 619384, 2400113, 4800226, 9600452, 19200904]

約数ペア:

[(1, 19200904), (2, 9600452), (4, 4800226), (8, 2400113), (31, 619384), (62, 309692), (124, 154846), (139, 138136), (248, 77423), (278, 69068), (556, 34534), (557, 34472), (1112, 17267), (1114, 17236), (2228, 8618), (4309, 4456)]