18940796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35603}}^1$

素因数の和:35633

約数の個数: 24

約数和(自身を含む): 39876480

約数和(自身を除く): 20935684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 35603, 71206, 142412, 249221, 498442, 676457, 996884, 1352914, 2705828, 4735199, 9470398, 18940796]

約数ペア:

[(1, 18940796), (2, 9470398), (4, 4735199), (7, 2705828), (14, 1352914), (19, 996884), (28, 676457), (38, 498442), (76, 249221), (133, 142412), (266, 71206), (532, 35603)]