18750834

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 24492366

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 109, 114, 171, 218, 327, 342, 503, 654, 981, 1006, 1509, 1962, 2071, 3018, 4142, 4527, 6213, 9054, 9557, 12426, 18639, 19114, 28671, 37278, 54827, 57342, 86013, 109654, 164481, 172026, 328962, 493443, 986886, 1041713, 2083426, 3125139, 6250278, 9375417, 18750834]

約数ペア:

[(1, 18750834), (2, 9375417), (3, 6250278), (6, 3125139), (9, 2083426), (18, 1041713), (19, 986886), (38, 493443), (57, 328962), (109, 172026), (114, 164481), (171, 109654), (218, 86013), (327, 57342), (342, 54827), (503, 37278), (654, 28671), (981, 19114), (1006, 18639), (1509, 12426), (1962, 9557), (2071, 9054), (3018, 6213), (4142, 4527)]