19173972

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 45904320

約数和(自身を除く): 26730348

約数列:

[1, 2, 3, 4, 6, 12, 107, 109, 137, 214, 218, 274, 321, 327, 411, 428, 436, 548, 642, 654, 822, 1284, 1308, 1644, 11663, 14659, 14933, 23326, 29318, 29866, 34989, 43977, 44799, 46652, 58636, 59732, 69978, 87954, 89598, 139956, 175908, 179196, 1597831, 3195662, 4793493, 6391324, 9586986, 19173972]

約数ペア:

[(1, 19173972), (2, 9586986), (3, 6391324), (4, 4793493), (6, 3195662), (12, 1597831), (107, 179196), (109, 175908), (137, 139956), (214, 89598), (218, 87954), (274, 69978), (321, 59732), (327, 58636), (411, 46652), (428, 44799), (436, 43977), (548, 34989), (642, 29866), (654, 29318), (822, 23326), (1284, 14933), (1308, 14659), (1644, 11663)]