18907120287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{22153}}^1$

素因数の和:22440

約数の個数: 48

約数和(自身を含む): 30730965408

約数和(自身を除く): 11823845121

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 233, 333, 407, 699, 1221, 2097, 2563, 3663, 7689, 8621, 22153, 23067, 25863, 66459, 77589, 94831, 199377, 243683, 284493, 731049, 819661, 853479, 2193147, 2458983, 5161649, 7376949, 9016271, 15484947, 27048813, 46454841, 56778139, 81146439, 170334417, 190981013, 511003251, 572943039, 1718829117, 2100791143, 6302373429, 18907120287]

約数ペア:

[(1, 18907120287), (3, 6302373429), (9, 2100791143), (11, 1718829117), (33, 572943039), (37, 511003251), (99, 190981013), (111, 170334417), (233, 81146439), (333, 56778139), (407, 46454841), (699, 27048813), (1221, 15484947), (2097, 9016271), (2563, 7376949), (3663, 5161649), (7689, 2458983), (8621, 2193147), (22153, 853479), (23067, 819661), (25863, 731049), (66459, 284493), (77589, 243683), (94831, 199377)]