19418308

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7621}}^1$

素因数の和:7652

約数の個数: 36

約数和(自身を含む): 42576492

約数和(自身を除く): 23158184

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7621, 15242, 30484, 53347, 99073, 106694, 198146, 213388, 373429, 396292, 693511, 746858, 1387022, 1493716, 2774044, 4854577, 9709154, 19418308]

約数ペア:

[(1, 19418308), (2, 9709154), (4, 4854577), (7, 2774044), (13, 1493716), (14, 1387022), (26, 746858), (28, 693511), (49, 396292), (52, 373429), (91, 213388), (98, 198146), (182, 106694), (196, 99073), (364, 53347), (637, 30484), (1274, 15242), (2548, 7621)]