19488880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4129}}^1$

素因数の和:4201

約数の個数: 40

約数和(自身を含む): 46090800

約数和(自身を除く): 26601920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4129, 4720, 8258, 16516, 20645, 33032, 41290, 66064, 82580, 165160, 243611, 330320, 487222, 974444, 1218055, 1948888, 2436110, 3897776, 4872220, 9744440, 19488880]

約数ペア:

[(1, 19488880), (2, 9744440), (4, 4872220), (5, 3897776), (8, 2436110), (10, 1948888), (16, 1218055), (20, 974444), (40, 487222), (59, 330320), (80, 243611), (118, 165160), (236, 82580), (295, 66064), (472, 41290), (590, 33032), (944, 20645), (1180, 16516), (2360, 8258), (4129, 4720)]