19564432840

素因数分解:

$2^3\times 5^1\times {\mathrm{4931}}^1\times {\mathrm{99191}}^1$

素因数の和:104133

約数の個数: 32

約数和(自身を含む): 44029344960

約数和(自身を除く): 24464912120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4931, 9862, 19724, 24655, 39448, 49310, 98620, 99191, 197240, 198382, 396764, 495955, 793528, 991910, 1983820, 3967640, 489110821, 978221642, 1956443284, 2445554105, 3912886568, 4891108210, 9782216420, 19564432840]

約数ペア:

[(1, 19564432840), (2, 9782216420), (4, 4891108210), (5, 3912886568), (8, 2445554105), (10, 1956443284), (20, 978221642), (40, 489110821), (4931, 3967640), (9862, 1983820), (19724, 991910), (24655, 793528), (39448, 495955), (49310, 396764), (98620, 198382), (99191, 197240)]