19373380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 44135280

約数和(自身を除く): 24761900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 277, 538, 554, 1076, 1108, 1345, 1385, 2690, 2770, 3497, 3601, 5380, 5540, 6994, 7202, 13988, 14404, 17485, 18005, 34970, 36010, 69940, 72020, 74513, 149026, 298052, 372565, 745130, 968669, 1490260, 1937338, 3874676, 4843345, 9686690, 19373380]

約数ペア:

[(1, 19373380), (2, 9686690), (4, 4843345), (5, 3874676), (10, 1937338), (13, 1490260), (20, 968669), (26, 745130), (52, 372565), (65, 298052), (130, 149026), (260, 74513), (269, 72020), (277, 69940), (538, 36010), (554, 34970), (1076, 18005), (1108, 17485), (1345, 14404), (1385, 13988), (2690, 7202), (2770, 6994), (3497, 5540), (3601, 5380)]