19476209720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1\times {\mathrm{31019}}^1$

素因数の和:32468

約数の個数: 64

約数和(自身を含む): 47840284800

約数和(自身を除く): 28364075080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1427, 2854, 5708, 7135, 11416, 14270, 15697, 28540, 31019, 31394, 57080, 62038, 62788, 78485, 124076, 125576, 155095, 156970, 248152, 310190, 313940, 341209, 620380, 627880, 682418, 1240760, 1364836, 1706045, 2729672, 3412090, 6824180, 13648360, 44264113, 88528226, 177056452, 221320565, 354112904, 442641130, 486905243, 885282260, 973810486, 1770564520, 1947620972, 2434526215, 3895241944, 4869052430, 9738104860, 19476209720]

約数ペア:

[(1, 19476209720), (2, 9738104860), (4, 4869052430), (5, 3895241944), (8, 2434526215), (10, 1947620972), (11, 1770564520), (20, 973810486), (22, 885282260), (40, 486905243), (44, 442641130), (55, 354112904), (88, 221320565), (110, 177056452), (220, 88528226), (440, 44264113), (1427, 13648360), (2854, 6824180), (5708, 3412090), (7135, 2729672), (11416, 1706045), (14270, 1364836), (15697, 1240760), (28540, 682418), (31019, 627880), (31394, 620380), (57080, 341209), (62038, 313940), (62788, 310190), (78485, 248152), (124076, 156970), (125576, 155095)]