19009968299

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 22477597056

約数和(自身を除く): 3467628757

約数列:

[1, 7, 37, 259, 313, 421, 557, 2191, 2947, 3899, 11581, 15577, 20609, 81067, 109039, 131773, 144263, 174341, 234497, 922411, 1220387, 1641479, 4875601, 6450617, 8676389, 34129207, 45154319, 60734723, 73397561, 513782927, 2715709757, 19009968299]

約数ペア:

[(1, 19009968299), (7, 2715709757), (37, 513782927), (259, 73397561), (313, 60734723), (421, 45154319), (557, 34129207), (2191, 8676389), (2947, 6450617), (3899, 4875601), (11581, 1641479), (15577, 1220387), (20609, 922411), (81067, 234497), (109039, 174341), (131773, 144263)]