19130800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 90

約数和(自身を含む): 49945092

約数和(自身を除く): 30814292

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 283, 325, 338, 400, 520, 566, 650, 676, 845, 1040, 1132, 1300, 1352, 1415, 1690, 2264, 2600, 2704, 2830, 3380, 3679, 4225, 4528, 5200, 5660, 6760, 7075, 7358, 8450, 11320, 13520, 14150, 14716, 16900, 18395, 22640, 28300, 29432, 33800, 36790, 47827, 56600, 58864, 67600, 73580, 91975, 95654, 113200, 147160, 183950, 191308, 239135, 294320, 367900, 382616, 478270, 735800, 765232, 956540, 1195675, 1471600, 1913080, 2391350, 3826160, 4782700, 9565400, 19130800]

約数ペア:

[(1, 19130800), (2, 9565400), (4, 4782700), (5, 3826160), (8, 2391350), (10, 1913080), (13, 1471600), (16, 1195675), (20, 956540), (25, 765232), (26, 735800), (40, 478270), (50, 382616), (52, 367900), (65, 294320), (80, 239135), (100, 191308), (104, 183950), (130, 147160), (169, 113200), (200, 95654), (208, 91975), (260, 73580), (283, 67600), (325, 58864), (338, 56600), (400, 47827), (520, 36790), (566, 33800), (650, 29432), (676, 28300), (845, 22640), (1040, 18395), (1132, 16900), (1300, 14716), (1352, 14150), (1415, 13520), (1690, 11320), (2264, 8450), (2600, 7358), (2704, 7075), (2830, 6760), (3380, 5660), (3679, 5200), (4225, 4528)]