18431216

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3191}}^1$

素因数の和:3237

約数の個数: 30

約数和(自身を含む): 37700712

約数和(自身を除く): 19269496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3191, 5776, 6382, 12764, 25528, 51056, 60629, 121258, 242516, 485032, 970064, 1151951, 2303902, 4607804, 9215608, 18431216]

約数ペア:

[(1, 18431216), (2, 9215608), (4, 4607804), (8, 2303902), (16, 1151951), (19, 970064), (38, 485032), (76, 242516), (152, 121258), (304, 60629), (361, 51056), (722, 25528), (1444, 12764), (2888, 6382), (3191, 5776)]