19131450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9811}}^1$

素因数の和:9839

約数の個数: 48

約数和(自身を含む): 51100896

約数和(自身を除く): 31969446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9811, 19622, 29433, 49055, 58866, 98110, 127543, 147165, 245275, 255086, 294330, 382629, 490550, 637715, 735825, 765258, 1275430, 1471650, 1913145, 3188575, 3826290, 6377150, 9565725, 19131450]

約数ペア:

[(1, 19131450), (2, 9565725), (3, 6377150), (5, 3826290), (6, 3188575), (10, 1913145), (13, 1471650), (15, 1275430), (25, 765258), (26, 735825), (30, 637715), (39, 490550), (50, 382629), (65, 294330), (75, 255086), (78, 245275), (130, 147165), (150, 127543), (195, 98110), (325, 58866), (390, 49055), (650, 29433), (975, 19622), (1950, 9811)]