19116909

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 32651424

約数和(自身を除く): 13534515

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 647, 1407, 1941, 3283, 4221, 4529, 5823, 9849, 13587, 29547, 31703, 40761, 43349, 95109, 130047, 285327, 303443, 390141, 910329, 2124101, 2730987, 6372303, 19116909]

約数ペア:

[(1, 19116909), (3, 6372303), (7, 2730987), (9, 2124101), (21, 910329), (49, 390141), (63, 303443), (67, 285327), (147, 130047), (201, 95109), (441, 43349), (469, 40761), (603, 31703), (647, 29547), (1407, 13587), (1941, 9849), (3283, 5823), (4221, 4529)]