19693670409

素因数分解:

$3^2\times 7^2\times {\mathrm{2903}}^1\times {\mathrm{15383}}^1$

素因数の和:18306

約数の個数: 36

約数和(自身を含む): 33104275776

約数和(自身を除く): 13410605367

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2903, 8709, 15383, 20321, 26127, 46149, 60963, 107681, 138447, 142247, 182889, 323043, 426741, 753767, 969129, 1280223, 2261301, 6783903, 44656849, 133970547, 312597943, 401911641, 937793829, 2188185601, 2813381487, 6564556803, 19693670409]

約数ペア:

[(1, 19693670409), (3, 6564556803), (7, 2813381487), (9, 2188185601), (21, 937793829), (49, 401911641), (63, 312597943), (147, 133970547), (441, 44656849), (2903, 6783903), (8709, 2261301), (15383, 1280223), (20321, 969129), (26127, 753767), (46149, 426741), (60963, 323043), (107681, 182889), (138447, 142247)]