18732555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 35178624

約数和(自身を除く): 16446069

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 521, 705, 765, 799, 1563, 2115, 2397, 2605, 3995, 4689, 7191, 7815, 8857, 11985, 23445, 24487, 26571, 35955, 44285, 73461, 79713, 122435, 132855, 220383, 367305, 398565, 416279, 1101915, 1248837, 2081395, 3746511, 6244185, 18732555]

約数ペア:

[(1, 18732555), (3, 6244185), (5, 3746511), (9, 2081395), (15, 1248837), (17, 1101915), (45, 416279), (47, 398565), (51, 367305), (85, 220383), (141, 132855), (153, 122435), (235, 79713), (255, 73461), (423, 44285), (521, 35955), (705, 26571), (765, 24487), (799, 23445), (1563, 11985), (2115, 8857), (2397, 7815), (2605, 7191), (3995, 4689)]