1821981954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{440731}}^1$

素因数の和:440802

約数の個数: 32

約数和(自身を含む): 3998320704

約数和(自身を除く): 2176338750

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 440731, 881462, 1322193, 2644386, 5729503, 11459006, 17188509, 23358743, 34377018, 46717486, 70076229, 140152458, 303663659, 607327318, 910990977, 1821981954]

約数ペア:

[(1, 1821981954), (2, 910990977), (3, 607327318), (6, 303663659), (13, 140152458), (26, 70076229), (39, 46717486), (53, 34377018), (78, 23358743), (106, 17188509), (159, 11459006), (318, 5729503), (689, 2644386), (1378, 1322193), (2067, 881462), (4134, 440731)]