19083820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{503}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 46061568

約数和(自身を除く): 26977748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 503, 542, 1006, 1084, 1355, 1897, 2012, 2515, 2710, 3521, 3794, 5030, 5420, 7042, 7588, 9485, 10060, 14084, 17605, 18970, 35210, 37940, 70420, 136313, 272626, 545252, 681565, 954191, 1363130, 1908382, 2726260, 3816764, 4770955, 9541910, 19083820]

約数ペア:

[(1, 19083820), (2, 9541910), (4, 4770955), (5, 3816764), (7, 2726260), (10, 1908382), (14, 1363130), (20, 954191), (28, 681565), (35, 545252), (70, 272626), (140, 136313), (271, 70420), (503, 37940), (542, 35210), (1006, 18970), (1084, 17605), (1355, 14084), (1897, 10060), (2012, 9485), (2515, 7588), (2710, 7042), (3521, 5420), (3794, 5030)]