11993180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 27259680

約数和(自身を除く): 15266500

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 853, 1406, 1706, 2812, 3412, 3515, 4265, 7030, 8530, 14060, 16207, 17060, 31561, 32414, 63122, 64828, 81035, 126244, 157805, 162070, 315610, 324140, 599659, 631220, 1199318, 2398636, 2998295, 5996590, 11993180]

約数ペア:

[(1, 11993180), (2, 5996590), (4, 2998295), (5, 2398636), (10, 1199318), (19, 631220), (20, 599659), (37, 324140), (38, 315610), (74, 162070), (76, 157805), (95, 126244), (148, 81035), (185, 64828), (190, 63122), (370, 32414), (380, 31561), (703, 17060), (740, 16207), (853, 14060), (1406, 8530), (1706, 7030), (2812, 4265), (3412, 3515)]