19293820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10601}}^1$

素因数の和:10630

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 30577988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10601, 21202, 42404, 53005, 74207, 106010, 137813, 148414, 212020, 275626, 296828, 371035, 551252, 689065, 742070, 964691, 1378130, 1484140, 1929382, 2756260, 3858764, 4823455, 9646910, 19293820]

約数ペア:

[(1, 19293820), (2, 9646910), (4, 4823455), (5, 3858764), (7, 2756260), (10, 1929382), (13, 1484140), (14, 1378130), (20, 964691), (26, 742070), (28, 689065), (35, 551252), (52, 371035), (65, 296828), (70, 275626), (91, 212020), (130, 148414), (140, 137813), (182, 106010), (260, 74207), (364, 53005), (455, 42404), (910, 21202), (1820, 10601)]