19618240

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:725

約数の個数: 56

約数和(自身を含む): 47256192

約数和(自身を除く): 27637952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 607, 808, 1010, 1214, 1616, 2020, 2428, 3035, 3232, 4040, 4856, 6070, 6464, 8080, 9712, 12140, 16160, 19424, 24280, 32320, 38848, 48560, 61307, 97120, 122614, 194240, 245228, 306535, 490456, 613070, 980912, 1226140, 1961824, 2452280, 3923648, 4904560, 9809120, 19618240]

約数ペア:

[(1, 19618240), (2, 9809120), (4, 4904560), (5, 3923648), (8, 2452280), (10, 1961824), (16, 1226140), (20, 980912), (32, 613070), (40, 490456), (64, 306535), (80, 245228), (101, 194240), (160, 122614), (202, 97120), (320, 61307), (404, 48560), (505, 38848), (607, 32320), (808, 24280), (1010, 19424), (1214, 16160), (1616, 12140), (2020, 9712), (2428, 8080), (3035, 6464), (3232, 6070), (4040, 4856)]