19929735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 19906425

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 151, 315, 419, 453, 755, 1057, 1257, 1359, 2095, 2265, 2933, 3171, 3771, 5285, 6285, 6795, 8799, 9513, 14665, 15855, 18855, 26397, 43995, 47565, 63269, 131985, 189807, 316345, 442883, 569421, 949035, 1328649, 2214415, 2847105, 3985947, 6643245, 19929735]

約数ペア:

[(1, 19929735), (3, 6643245), (5, 3985947), (7, 2847105), (9, 2214415), (15, 1328649), (21, 949035), (35, 569421), (45, 442883), (63, 316345), (105, 189807), (151, 131985), (315, 63269), (419, 47565), (453, 43995), (755, 26397), (1057, 18855), (1257, 15855), (1359, 14665), (2095, 9513), (2265, 8799), (2933, 6795), (3171, 6285), (3771, 5285)]