19098108

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 50610560

約数和(自身を除く): 31512452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 109, 124, 157, 186, 218, 279, 314, 327, 372, 436, 471, 558, 628, 654, 942, 981, 1116, 1308, 1413, 1884, 1962, 2826, 3379, 3924, 4867, 5652, 6758, 9734, 10137, 13516, 14601, 17113, 19468, 20274, 29202, 30411, 34226, 40548, 43803, 51339, 58404, 60822, 68452, 87606, 102678, 121644, 154017, 175212, 205356, 308034, 530503, 616068, 1061006, 1591509, 2122012, 3183018, 4774527, 6366036, 9549054, 19098108]

約数ペア:

[(1, 19098108), (2, 9549054), (3, 6366036), (4, 4774527), (6, 3183018), (9, 2122012), (12, 1591509), (18, 1061006), (31, 616068), (36, 530503), (62, 308034), (93, 205356), (109, 175212), (124, 154017), (157, 121644), (186, 102678), (218, 87606), (279, 68452), (314, 60822), (327, 58404), (372, 51339), (436, 43803), (471, 40548), (558, 34226), (628, 30411), (654, 29202), (942, 20274), (981, 19468), (1116, 17113), (1308, 14601), (1413, 13516), (1884, 10137), (1962, 9734), (2826, 6758), (3379, 5652), (3924, 4867)]