16419591

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 26484480

約数和(自身を除く): 10064889

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 227, 423, 513, 681, 893, 1269, 1539, 2043, 2679, 3807, 4313, 6129, 8037, 10669, 12939, 18387, 24111, 32007, 38817, 72333, 96021, 116451, 202711, 288063, 349353, 608133, 864189, 1824399, 5473197, 16419591]

約数ペア:

[(1, 16419591), (3, 5473197), (9, 1824399), (19, 864189), (27, 608133), (47, 349353), (57, 288063), (81, 202711), (141, 116451), (171, 96021), (227, 72333), (423, 38817), (513, 32007), (681, 24111), (893, 18387), (1269, 12939), (1539, 10669), (2043, 8037), (2679, 6129), (3807, 4313)]