19650560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 50122800

約数和(自身を除く): 30472240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 101, 128, 152, 160, 190, 202, 256, 304, 320, 380, 404, 505, 512, 608, 640, 760, 808, 1010, 1024, 1216, 1280, 1520, 1616, 1919, 2020, 2048, 2432, 2560, 3040, 3232, 3838, 4040, 4864, 5120, 6080, 6464, 7676, 8080, 9595, 9728, 10240, 12160, 12928, 15352, 16160, 19190, 19456, 24320, 25856, 30704, 32320, 38380, 38912, 48640, 51712, 61408, 64640, 76760, 97280, 103424, 122816, 129280, 153520, 194560, 206848, 245632, 258560, 307040, 491264, 517120, 614080, 982528, 1034240, 1228160, 1965056, 2456320, 3930112, 4912640, 9825280, 19650560]

約数ペア:

[(1, 19650560), (2, 9825280), (4, 4912640), (5, 3930112), (8, 2456320), (10, 1965056), (16, 1228160), (19, 1034240), (20, 982528), (32, 614080), (38, 517120), (40, 491264), (64, 307040), (76, 258560), (80, 245632), (95, 206848), (101, 194560), (128, 153520), (152, 129280), (160, 122816), (190, 103424), (202, 97280), (256, 76760), (304, 64640), (320, 61408), (380, 51712), (404, 48640), (505, 38912), (512, 38380), (608, 32320), (640, 30704), (760, 25856), (808, 24320), (1010, 19456), (1024, 19190), (1216, 16160), (1280, 15352), (1520, 12928), (1616, 12160), (1919, 10240), (2020, 9728), (2048, 9595), (2432, 8080), (2560, 7676), (3040, 6464), (3232, 6080), (3838, 5120), (4040, 4864)]