13941820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1931}}^1$

素因数の和:1978

約数の個数: 36

約数和(自身を含む): 30915864

約数和(自身を除く): 16974044

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 1931, 3610, 3862, 7220, 7724, 9655, 19310, 36689, 38620, 73378, 146756, 183445, 366890, 697091, 733780, 1394182, 2788364, 3485455, 6970910, 13941820]

約数ペア:

[(1, 13941820), (2, 6970910), (4, 3485455), (5, 2788364), (10, 1394182), (19, 733780), (20, 697091), (38, 366890), (76, 183445), (95, 146756), (190, 73378), (361, 38620), (380, 36689), (722, 19310), (1444, 9655), (1805, 7724), (1931, 7220), (3610, 3862)]